Chemotherapy for ER Positive Breast Cancer: 143 Real Stories

Stage IIB breast cancer with severe radiation recall after abemaciclib

Patient Info: Anonymized, Female, 40s

Biomarkers: ER-positive; PR-positive; HER2 1+ / HER2-negative

The flap healed after abemaciclib was stopped and the tissue expander/patch were removed, but her long-term cancer-control and reconstruction outcomes were not yet reported.

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Stage III Breast Cancer Treatment Complicated by Coronary Thrombosis

Patient Info: Anonymized, female, 40s | Stage III

Biomarkers: ER-positive; PR-positive; HER2-negative; Ki-67 25–30%

She achieved complete remission about 12 months after the myocardial infarction and remained in complete oncologic remission at 44 months.

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Glycogen-rich clear cell breast carcinoma: HER2-positive early-stage case with disease-free follow-up

Patient Info: Anonymized, Female, 60s | Stage I

Biomarkers: ER-positive; HER2-positive; PR-negative; Ki-67 ~10%; intracytoplasmic glycogen confirmed

At 1-year follow-up, she had no evidence of breast cancer recurrence.

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Luminal B-like lobular breast cancer: robotic-assisted nipple-sparing mastectomy with 12-month disease-free follow-up

Patient Info: Anonymized, Female, 40s

Biomarkers: ER 90%; PR 100%; HER2-negative; Ki-67 20%; luminal B-like subtype

As of November 2025, she was disease-free 12 months after neoadjuvant taxane-based chemotherapy and single-port robotic-assisted nipple-sparing mastectomy with immediate reconstruction.

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HER2-Positive Breast Cancer: Janella's Survivor Story

Patient Info: Janella Bustamante, Female, 40s

Biomarkers: Triple-positive: estrogen-, progesterone- and HER2-fueled breast cancer

As of October 2025, Janella had completed lumpectomy, chemotherapy, radiation and HER2-targeted biological therapy for triple-positive breast cancer and was on follow-up every 3 months; the source describes life after cancer but does not explicitly state NED/cancer-free.

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Stage IIIC ER-positive male breast cancer: mastectomy, chemotherapy, radiation, tamoxifen and abemaciclib

Patient Info: Anonymized, Male, 40s | Stage III

Biomarkers: ER 90% positive; PR 60% positive; HER2 score 0; Ki-67 15%; BRCA1 and BRCA2 no pathogenic variants; CEA 2.4 ng/mL; CA15-3 13.6 U/mL

He remained on tamoxifen and dose-adjusted abemaciclib; annual follow-up imaging, including non-contrast CT, showed no local or distant relapse.

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Invasive lobular breast cancer with dense lymphocytic infiltration treated with surgery, radiation, chemotherapy, and endocrine therapy

Patient Info: Anonymized, Female, 60s | Stage II

Biomarkers: ER-positive/PR-negative, HER2 1+ lobular breast cancer; Ki-67 35%

At 1 year after surgery, the patient remained recurrence-free while receiving postmenopausal aromatase inhibitor endocrine therapy.

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HER2-positive Stage IV breast cancer: T-DM1 extravasation wound healed after multidisciplinary care

Patient Info: Anonymized, Female, Under 40 | Stage IV

Biomarkers: ER 90% positive; PR 70% positive; HER2 IHC 3+

Metastatic Site: pelvis

As of October 2025, the T-DM1 extravasation wound had almost fully healed within about 4 weeks, and the patient continued adjuvant T-DM1 through a port; longer cancer-control status was not described.

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Stage II HR-Positive Breast Cancer: Jennifer's Survivor Story

Patient Info: Jennifer Njathi, Female, 40s | Stage II

Biomarkers: Triple-positive; ER-positive; PR-positive; HER2-positive

As of October 2025, Jennifer was more than 1 year past treatment for triple-positive Stage IIA breast cancer and had a recent clear MRI.

City of HopeRead more →

ER/PR/HER2-positive breast cancer: gallbladder, liver, lung, pleural, and bone metastases after incomplete adjuvant therapy

Patient Info: Anonymized, Female, 40s | Stage IV

Biomarkers: Triple-positive breast cancer. Gallbladder metastasis kept ER/PR/HER2 positivity and Ki-67 >40%; markers supported breast origin.

Metastatic Site: gallbladder, liver, lung/pleura, bone

The patient died 3 years and 10 months after lumpectomy after metastatic ER/PR/HER2-positive breast cancer involved the gallbladder, liver, lungs/pleura, and bones following incomplete adjuvant therapy and loss to surveillance.

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Stage IIA male breast cancer: chemotherapy, mastectomy, endocrine therapy, and benign adrenal nodule

Patient Info: Anonymized, Male, 50s | Stage II

Biomarkers: ER-positive; PR-positive; HER2-negative

Final breast cancer pathology was T1N1M0 / AJCC Stage IIA ER-positive, PR-positive, HER2-negative invasive ductal carcinoma; the suspicious adrenal lesion was removed in June 2025 and proved to be a benign adrenal adenoma.

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Breast cancer survivorship complicated by fatal lymphedema-associated necrotizing soft tissue infection

Patient Info: Anonymized, Female, 50s

Biomarkers: Prior breast cancer: ER-positive, PR-positive, HER2-negative

She died after hospital-acquired pneumonia and acute respiratory failure during recovery from severe right-arm lymphedema-associated necrotizing soft tissue infection after prior breast cancer treatment.

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Stage IIIB male encapsulated papillary breast cancer: disease-free after surgery and adjuvant therapy

Patient Info: Anonymized, Male, 60s | Stage III

Biomarkers: ER-positive 100%; PR-positive 100%; HER2-negative / IHC 1+; p63 loss supported encapsulated papillary carcinoma; no neuroendocrine differentiation

Three years after diagnosis, he was clinically doing well without evidence of breast cancer recurrence after mastectomy, radiation, and tamoxifen.

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Stage IIB HER2-positive apocrine breast carcinoma treated with chemotherapy, trastuzumab, radiation, and tamoxifen

Patient Info: Anonymized, Female, Under 40 | Stage II

Biomarkers: ER 80%; PR 5%; HER2-positive by HercepTest and FISH; Ki-67 15%; AR testing not performed

At 7 months of follow-up, the patient remained in remission, with no locoregional recurrence or distant metastasis reported.

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HER2-positive node-positive breast cancer: mastectomy and adjuvant TCbHP

Patient Info: Anonymized, Female, Under 40 | Stage III

Biomarkers: HER2-positive breast cancer with ER/PR positivity, PD-L1 CPS 25

Adjuvant TCbHP was initiated after surgery, the first cycle was tolerated with supportive care, and regular monitoring was ongoing without evidence of distant recurrence or metastasis reported.

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Stage 3 breast cancer: complete pathological response to chemotherapy

Patient Info: Anonymized, Female, 60s | Stage III

Biomarkers: ER-positive; PR-positive; HER2-negative

At 1-year follow-up, she remained free of breast cancer; a thyroid nodule found on CT had no malignancy on fine-needle aspiration.

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Isolated adrenal metastasis from breast cancer: adrenalectomy and exemestane plus palbociclib

Patient Info: Anonymized, Female, 60s | Stage IV

Biomarkers: ER-positive; PR-positive; HER2-negative; GATA3-positive; CK7-positive; mammaglobin-positive; GCDFP-15 rare staining

Metastatic Site: right adrenal gland

After laparoscopic right adrenalectomy for isolated metastatic breast carcinoma, follow-up CT abdomen/pelvis and PET-CT showed no metastatic disease elsewhere; surveillance while on exemestane and palbociclib showed no recurrence so far.

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HER2-low lobular breast cancer with bone marrow involvement responding to T-DXd

Patient Info: Anonymized, Female | Stage IV

Biomarkers: Initial surgical specimen: ER-positive; PR-negative; HER2-negative. Bone marrow relapse: breast cancer infiltration with low HER2 staining.

Metastatic Site: bone marrow

Two years after starting T-DXd, this patient remained free of bone marrow disease and continued the same treatment regimen.

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HER2-low lobular breast cancer with bone marrow involvement treated with T-DXd

Patient Info: Anonymized, Female | Stage IV

Biomarkers: Initial surgical specimen: ER-positive; PR-negative; HER2-negative. Bone marrow relapse: breast cancer infiltration with low HER2 staining.

Metastatic Site: bone marrow

Two years after starting T-DXd, this patient remained free of bone marrow disease and continued the same treatment regimen.

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Stage III HR-Positive Invasive Lobular Carcinoma: Courtney's Patient Story

Patient Info: Courtney, Female, Under 40 | Stage III

Biomarkers: ER-positive; PR-positive; HER2-negative

As of June 2025, Courtney was recovering from Stage III ER-positive, PR-positive, HER2-negative ILC treatment after double mastectomy, Taxotere/Cytoxan chemotherapy, and 25 rounds of radiation, with reconstructive surgery delayed by radiation skin injury.

Lobular Breast Cancer AllianceRead more →

Stage III HR-Positive Invasive Lobular Carcinoma: Tanya's Patient Story

Patient Info: Tanya, Female, 40s | Stage III

Biomarkers: ER-positive; PR-positive; HER2-negative; grade 1

As of May 2025, Tanya was recovering from chest wall surgery, ALT flap repair, and a later skin graft after developing angiosarcoma in her radiated reconstructed breast years after Stage IIIA ILC treatment.

Lobular Breast Cancer AllianceRead more →

Stage IV HR-Positive Invasive Ductal Carcinoma: Samantha's Patient Story

Patient Info: Samantha, Female, Under 40 | Stage IV

Biomarkers: ER-positive; PR-positive; HER2-positive

Metastatic Site: Rib; spine; pelvis

After a mixed response on the radium trial, Samantha changed to anastrozole and abemaciclib. She described the newer hormone-targeted combination as easier to tolerate and working better while remaining in ongoing treatment.

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Stage III HR-Positive Breast Cancer: Christine's Survivor Story

Patient Info: Christine, Female, Under 40 | Stage III

Biomarkers: ER-positive; PR-positive; HER2-positive

Three years after diagnosis, Christine described herself in the survivorship stage and focused on the physical and emotional effects that continued after active treatment.

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Stage II HR-Positive Breast Cancer: Kelsey's Patient Story

Patient Info: Kelsey, Female, Under 40 | Stage II

Biomarkers: ER-positive

As of May 2025, Kelsey had completed chemotherapy, double mastectomy with reconstruction, and 16 radiation sessions, and was continuing tamoxifen with Verzenio planned for 2 years plus Lupron ovarian-suppression shots.

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