{"id":15351,"date":"2026-01-12T09:26:56","date_gmt":"2026-01-12T02:26:56","guid":{"rendered":"https:\/\/chgcancercenter.com\/?p=15351"},"modified":"2026-01-12T10:04:12","modified_gmt":"2026-01-12T03:04:12","slug":"luminal-breast-cancer-subtype","status":"publish","type":"post","link":"https:\/\/chgcancercenter.com\/en\/luminal-breast-cancer-subtype\/","title":{"rendered":"Luminal Breast Cancer"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"15351\" class=\"elementor elementor-15351\">\n\t\t\t\t<div class=\"elementor-element elementor-element-53eb7dc6 e-flex e-con-boxed e-con e-parent\" data-id=\"53eb7dc6\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-1995faba elementor-widget elementor-widget-text-editor\" data-id=\"1995faba\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h1><span style=\"font-size: 32px;\"><b>Luminal Breast Cancer<\/b><\/span><\/h1><p class=\"translation-block\">Luminal breast cancer, also known as hormone receptor\u2013positive breast cancer, is the most common subtype of breast cancer, accounting for more than 75% of all cases.<\/p><p><span style=\"font-weight: 400;\">This subtype is characterized by the presence of female hormone receptors on cancer cells, which directly influences treatment strategies and prognosis.<\/span><\/p><h2><span style=\"font-size: 24px;\"><b>What Is Luminal Breast Cancer?<\/b><\/span><\/h2><p><span style=\"font-weight: 400;\">Luminal breast cancer refers to breast cancer in which tumor cells express: Estrogen receptors (ER-positive) and\/or Progesterone receptors (PR-positive) Female hormones play a key role in stimulating the growth of these cancer cells.<\/span><\/p><p><b>Main Subtypes of Luminal Breast Cancer<\/b><\/p><p><b>Luminal A<\/b><span style=\"font-weight: 400;\"><br \/><\/span><span style=\"font-weight: 400;\">Key features<\/span><\/p><ul><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Strong ER\/PR positivity<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">HER2 negative<\/span><\/li><\/ul><p><span style=\"font-weight: 400;\">Low cell proliferation (low Ki-67)<\/span><\/p><ul><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">This subtype has the best prognosis<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">and responds very well to hormonal therapy<\/span><\/li><\/ul><p><b>Luminal B<\/b><\/p><p><span style=\"font-weight: 400;\">Key features<\/span><\/p><ul><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">ER positive with higher cell proliferation<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">May be HER2 negative or HER2 positive<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">More aggressive than Luminal A<\/span><\/li><\/ul><p><span style=\"font-weight: 400;\">Treatment may include<\/span><\/p><ul><li style=\"font-weight: 400;\" aria-level=\"1\"><a href=\"https:\/\/chgcancercenter.com\/en\/hormone-therapy\/\"><span style=\"font-weight: 400;\">Hormonal therapy<\/span><\/a><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><a href=\"https:\/\/chgcancercenter.com\/en\/hydration-during-chemotherapy-benefits\/\"><span style=\"font-weight: 400;\">Chemotherapy:<\/span><\/a><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Targeted therapy (in HER2-positive cases)<\/span><\/li><\/ul><h2><span style=\"font-size: 24px;\"><b>Why Is Luminal Breast Cancer So Common?<\/b><\/span><\/h2><p class=\"translation-block\">Because the breasts are organs that respond directly to female hormones, hormonal changes throughout life, such as menstruation, pregnancy, menopause, and the use of certain hormones, are all associated with the development of this type of cancer.<\/p><p class=\"translation-block\">Treatment for luminol breast cancer is based on the patient's overall health condition, subtype (Luminal A or B), age, and overall health.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-03fc15b e-flex e-con-boxed e-con e-parent\" data-id=\"03fc15b\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-36c3cc6 elementor-widget elementor-widget-text-editor\" data-id=\"36c3cc6\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2><span style=\"font-size: 24px; color: #000000;\"><b>Treatment of Luminal Breast Cancer<\/b><\/span><\/h2><h2><span style=\"color: #000000;\"><strong><span style=\"font-size: 16px;\">1. Surgery<\/span><\/strong><\/span><\/h2><ul><li style=\"font-weight: 400;\" aria-level=\"1\"><a href=\"https:\/\/chgcancercenter.com\/en\/breast-conserving-surgery-aftercare\/\"><span style=\"font-weight: 400; color: #000000;\">Breast-conserving surgery\u00a0<\/span><\/a><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400; color: #000000;\">Mastectomy, depending on clinical indications<\/span><\/li><\/ul><p><span style=\"color: #000000;\"><strong>2. Hormonal Therapy\u00a0 <\/strong><\/span><\/p><p><span style=\"font-weight: 400; color: #000000;\">Key Treatment<\/span><\/p><ul><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400; color: #000000;\">Tamoxifen<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400; color: #000000;\">Aromatase inhibitors<\/span><\/li><\/ul><p><span style=\"font-weight: 400; color: #000000;\">Hormonal therapy significantly reduces the risk of recurrence.<\/span><\/p><p><span style=\"color: #000000;\"><strong>3. Chemotherapy\u00a0 <\/strong><\/span><\/p><p><span style=\"font-weight: 400; color: #000000;\">Used in\u00a0<\/span><\/p><ul><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400; color: #000000;\">High-risk disease<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\" class=\"translation-block\">Lymph node involvement<\/li><\/ul><p><span style=\"color: #000000;\"><strong>4. Targeted Therapy<\/strong><\/span><\/p><ul><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400; color: #000000;\">In the case of HER2-positive Luminal B breast cancer<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400; color: #000000;\">The prognosis for luminal B breast cancer<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\" class=\"translation-block\">Overall, it is considered a treatable breast cancer with a high survival rate. Many patients can live near-normal lives.<\/li><\/ul><p><span style=\"font-weight: 400; color: #000000;\">Especially if detected early and treated completely, including taking hormone medication as prescribed.<\/span><\/p><h2><span style=\"font-size: 24px; color: #000000;\"><b>Important Points for Patients<\/b><\/span><\/h2><ul><li><span style=\"font-weight: 400; color: #000000;\">Recurrence can occur late (5\u201310 years)<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400; color: #000000;\">Long-term follow-up and medication adherence are crucial<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400; color: #000000;\">Hormonal therapy should not be stopped without medical advice<\/span><\/li><\/ul><h2><span style=\"font-size: 24px; color: #000000;\"><b>summarize<\/b><\/span><\/h2><p class=\"translation-block\">Luminal breast cancer is the most common and one of the most treatable breast cancer subtypes.\nWith appropriate therapy, patients have a strong chance of long-term disease control and good quality of life.<\/p><p><span style=\"font-weight: 400; color: #000000;\">Understanding the cancer subtype is the first step toward choosing the most effective treatment.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-a93b92e e-flex e-con-boxed e-con e-parent\" data-id=\"a93b92e\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-93ea625 elementor-widget elementor-widget-image\" data-id=\"93ea625\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"640\" height=\"338\" src=\"https:\/\/chgcancercenter.com\/wp-content\/uploads\/2026\/01\/What-Is-Luminal-Breast-Cancer2-768x405.jpg\" class=\"attachment-medium_large size-medium_large wp-image-15360\" alt=\"\u0e2d\u0e34\u0e19\u0e42\u0e1f\u0e01\u0e23\u0e32\u0e1f\u0e34\u0e01\u0e2d\u0e18\u0e34\u0e1a\u0e32\u0e22\u0e21\u0e30\u0e40\u0e23\u0e47\u0e07\u0e40\u0e15\u0e49\u0e32\u0e19\u0e21\u0e0a\u0e19\u0e34\u0e14\u0e25\u0e39\u0e21\u0e34\u0e19\u0e2d\u0e25 Luminal A \u0e41\u0e25\u0e30 Luminal B \u0e17\u0e35\u0e48\u0e21\u0e35\u0e15\u0e31\u0e27\u0e23\u0e31\u0e1a\u0e2e\u0e2d\u0e23\u0e4c\u0e42\u0e21\u0e19 ER PR \u0e40\u0e1b\u0e47\u0e19\u0e1a\u0e27\u0e01 \u0e41\u0e25\u0e30\u0e41\u0e19\u0e27\u0e17\u0e32\u0e07\u0e01\u0e32\u0e23\u0e23\u0e31\u0e01\u0e29\u0e32\" srcset=\"https:\/\/chgcancercenter.com\/wp-content\/uploads\/2026\/01\/What-Is-Luminal-Breast-Cancer2-768x405.jpg 768w, https:\/\/chgcancercenter.com\/wp-content\/uploads\/2026\/01\/What-Is-Luminal-Breast-Cancer2-300x158.jpg 300w, https:\/\/chgcancercenter.com\/wp-content\/uploads\/2026\/01\/What-Is-Luminal-Breast-Cancer2-18x9.jpg 18w, https:\/\/chgcancercenter.com\/wp-content\/uploads\/2026\/01\/What-Is-Luminal-Breast-Cancer2-600x316.jpg 600w, https:\/\/chgcancercenter.com\/wp-content\/uploads\/2026\/01\/What-Is-Luminal-Breast-Cancer2.jpg 1000w\" sizes=\"(max-width: 640px) 100vw, 640px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-ae6080a e-flex e-con-boxed e-con e-parent\" data-id=\"ae6080a\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-e92a9e6 elementor-widget elementor-widget-video\" data-id=\"e92a9e6\" data-element_type=\"widget\" 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class=\"ct-text-editor wow fadeInUp\" data-wow-delay=\"ms\">\n\t<div class=\"ct-item--inner\">\n\t\t<div class=\"ct-inline-css\"  data-css=\"\t        \t\t\t\">\n\n\t    <\/div>\n\t\t<div class=\"ct-text-editor elementor-clearfix\">\n\t\t\t<p class=\"translation-block\">For inquiry, please call <a href=\"tel:0638166058\" target=\"_self\">+66638166058<\/a><\/p>\t\t\n\t\t<\/div>\n\t<\/div>\n<\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-cc4a6ee e-flex e-con-boxed e-con e-child\" data-id=\"cc4a6ee\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-c0616b5 e-con-full e-flex e-con e-child\" data-id=\"c0616b5\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-e7c50bd elementor-widget elementor-widget-text-editor\" data-id=\"e7c50bd\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-family: lineseedsansth;\">Request consultation for treatment plan<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-9058c76 e-con-full e-flex e-con e-child\" data-id=\"9058c76\" data-element_type=\"container\" data-settings=\"{&quot;position&quot;:&quot;absolute&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-d1e4874 elementor-widget elementor-widget-text-editor\" data-id=\"d1e4874\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><a href=\"https:\/\/lin.ee\/sx9JJLJ\"><img decoding=\"async\" class=\"\" src=\"https:\/\/scdn.line-apps.com\/n\/line_add_friends\/btn\/th.png\" alt=\"\u0e40\u0e1e\u0e34\u0e48\u0e21\u0e40\u0e1e\u0e37\u0e48\u0e2d\u0e19\" width=\"115\" height=\"36\" border=\"0\" \/><\/a><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-549157e e-flex e-con-boxed e-con e-child\" data-id=\"549157e\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>\u0e21\u0e30\u0e40\u0e23\u0e47\u0e07\u0e40\u0e15\u0e49\u0e32\u0e19\u0e21\u0e0a\u0e19\u0e34\u0e14\u0e25\u0e39\u0e21\u0e34\u0e19\u0e2d\u0e25 (Luminal Subtype) \u0e1e\u0e1a\u0e21\u0e32\u0e01\u0e01\u0e27\u0e48\u0e32 75% \u0e02\u0e2d\u0e07\u0e1c\u0e39\u0e49\u0e1b\u0e48\u0e27\u0e22 \u0e15\u0e2d\u0e1a\u0e2a\u0e19\u0e2d\u0e07\u0e15\u0e48\u0e2d\u0e22\u0e32\u0e2e\u0e2d\u0e23\u0e4c\u0e42\u0e21\u0e19\u0e44\u0e14\u0e49\u0e14\u0e35 \u0e1e\u0e22\u0e32\u0e01\u0e23\u0e13\u0e4c\u0e42\u0e23\u0e04\u0e14\u0e35 \u0e2b\u0e32\u0e01\u0e23\u0e31\u0e01\u0e29\u0e32\u0e41\u0e25\u0e30\u0e15\u0e34\u0e14\u0e15\u0e32\u0e21\u0e2d\u0e22\u0e48\u0e32\u0e07\u0e40\u0e2b\u0e21\u0e32\u0e30\u0e2a\u0e21<\/p>","protected":false},"author":2,"featured_media":15364,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[66],"tags":[62,1612,1448,1449,1610,1613,97,1615,1494,1609,1611,1614,260,93,90],"class_list":["post-15351","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-breast-cancer","tag-chg-cancer-center","tag-er-positive","tag-luminal-a","tag-luminal-b","tag-luminal-subtype","tag-pr-positive","tag-97","tag-1615","tag-1494","tag-1609","tag-1611","tag-1614","tag-260","tag-93","tag-90"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/chgcancercenter.com\/en\/wp-json\/wp\/v2\/posts\/15351","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/chgcancercenter.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/chgcancercenter.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/chgcancercenter.com\/en\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/chgcancercenter.com\/en\/wp-json\/wp\/v2\/comments?post=15351"}],"version-history":[{"count":0,"href":"https:\/\/chgcancercenter.com\/en\/wp-json\/wp\/v2\/posts\/15351\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/chgcancercenter.com\/en\/wp-json\/wp\/v2\/media\/15364"}],"wp:attachment":[{"href":"https:\/\/chgcancercenter.com\/en\/wp-json\/wp\/v2\/media?parent=15351"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/chgcancercenter.com\/en\/wp-json\/wp\/v2\/categories?post=15351"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/chgcancercenter.com\/en\/wp-json\/wp\/v2\/tags?post=15351"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}