Stage 4 hormone receptor-positive breast cancer: remission with PARP inhibitor

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

Biomarkers: HR-positive breast cancer with HER2-low/negative recurrence, and pathogenic BRCA2 R2318* mutation.

Metastatic Site: pleura

As of January 2025, she had maintained complete response for 36 months after sequential FEC/docetaxel and olaparib for hormone receptor-positive, HER2-negative/HER2-low metastatic breast cancer with BRCA2 R2318* mutation.

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Stage II HR-Positive Invasive Lobular Carcinoma: Karen's Survivor Story

Patient Info: Karen, Female, 40s | Stage II

Biomarkers: ER-positive; PR-positive; HER2-negative; grade 2; inherited genetic testing negative

Karen completed double mastectomy, 3 months of chemotherapy and reconstruction. She was doing well on ongoing endocrine and targeted therapy and walking 3–5 miles daily.

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Stage I ER-positive/HER2-positive breast cancer with radiation-associated morphea

Patient Info: Anonymized, Female, 70+ | Stage I

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

No evidence of breast cancer recurrence after 2018 treatment; ongoing issue was generalized morphea and breast deformity related to prior radiation, improved with mycophenolate by April 2024.

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Two sisters with invasive lobular breast cancer and a shared CDH1 mutation

Patient Info: Anonymized, Female | Stage Metastatic/Advanced

Biomarkers: Both sisters had pathogenic CDH1 p.. Breast cancers were HER2-negative; older sister also had a PTCH1 variant of uncertain significance.

As of January 2025, both sisters were under ongoing hereditary diffuse gastric cancer surveillance with annual EGD after breast cancer treatment; no signs of HDGC or metastatic breast cancer were reported.

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Metastatic breast cancer with receptor evolution: sequential endocrine, immunotherapy, CDK4/6, and antibody-drug conjugate treatment

Patient Info: Anonymized, Female, 50s | Stage IV

Biomarkers: Markers changed over time: initial tumor ER-positive/HER2-negative; local recurrence triple-negative/HER2-low; pleural fluid ER-negative.

Metastatic Site: mediastinal lymph nodes, pleura; pulmonary nodules…

More than 7 years after diagnosis, she remained on sequential systemic therapy for metastatic breast cancer, with at least a partial response 3 months after starting sacituzumab govitecan for presumed triple-negative pleural disease.

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Stage IIIA encapsulated papillary breast carcinoma with invasion: mastectomy, axillary dissection, and anastrozole

Patient Info: Anonymized, Female, 70+ | Stage III

Biomarkers: ER 100%; PgR 80%; HER2 2+ by IHC with FISH negative; Ki-67 20%; initial biopsy HER2 1+

She received postoperative anastrozole alone after right mastectomy and axillary dissection; no apparent recurrence was observed 18 months after surgery.

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Stage I triple-negative solid basaloid adenoid cystic breast cancer treated with mastectomy and oral chemotherapy

Patient Info: Anonymized, Female, 70+ | Stage I

Biomarkers: Current tumor was triple-negative with high Ki-67 and c-kit/CK7 staining. Prior breast cancer was ER-positive, HER2-positive, PR-negative.

One year after mastectomy and postoperative tegafur-gimeracil-oteracil potassium, she was recovering well without signs of metastasis.

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Stage IV luminal B HER2-negative breast cancer with liver-limited metastasis resected after systemic therapy

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

Biomarkers: Luminal B; HER2-negative

Metastatic Site: liver

After liver segmentectomy for breast-cancer liver metastasis, follow-up imaging showed no remaining liver nodes, and she remained fit, well, disease-free, and on maintenance letrozole plus goserelin.

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Stage IV luminal A breast cancer: liver resection and disease-free follow-up

Patient Info: Anonymized, Female, 50s | Stage IV

Biomarkers: luminal A; ER-positive; PgR-positive; HER2-negative

Metastatic Site: lung, liver

Disease-free after R0 hepatic segmentectomy for breast cancer liver metastasis, with May 2021 MRI showing no remaining liver nodules while she continued maintenance letrozole and goserelin.

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Stage 4 HR-positive breast cancer: stable disease on ribociclib

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

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

Metastatic Site: left iliac bone

Metastatic HR-positive, HER2-negative breast cancer remained without progression as of October 2024 while she continued ribociclib 400 mg plus letrozole after SBRT to a left iliac bone metastasis.

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Stage IV luminal B breast cancer with liver, bone, and bone marrow metastases

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

Biomarkers: ER 90% positive; PR 20% positive; HER2-negative; Ki-67 60%; luminal B

Metastatic Site: liver, bone, bone marrow

The patient had marked clinical and hematologic improvement on leuprorelin, letrozole, ribociclib, and zoledronic acid, with sustained complete remission reported for 4 months from September to December 2023 and monthly follow-up advised.

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Breast carcinoma in remission with stable cancer-associated retinal findings during follow-up

Patient Info: Anonymized, Female, 70+

Biomarkers: Breast cancer marker details not fully reported. CRMP-5 antibody changed from positive to negative; anti-retinal antibodies were present.

The breast carcinoma was described as in remission, and visual acuity and visual fields remained stable without progressive visual loss across 3 years of ophthalmic follow-up.

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Stage IIIA HR-positive HER2-negative breast cancer with radiation-induced brachial plexopathy

Patient Info: Anonymized, Female, 50s | Stage I

Biomarkers: HR-positive/HER2-negative breast cancer with pathogenic ATM and PALB2 variants plus an ATM VUS.

Approximately 3.5 years after radiation therapy, there was no evidence of breast cancer recurrence, but severe radiation-induced brachial plexopathy, fibrosis, telangiectasias, and lymphedema-related symptoms required ongoing supportive care.

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Stage IV HER2-Positive Breast Cancer: Nina's Survivor Story

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

Biomarkers: HER2-positive; broad hereditary genetic testing negative

Metastatic Site: spine

As of November 2024, Nina described being in a no-evidence-of-disease phase, while continuing treatment because of her Stage IV HER2-positive metastatic breast cancer history.

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Breast invasive lobular carcinoma metastatic to the endometrium: hysterectomy and hormone therapy

Patient Info: Anonymized, Female, 50s | Stage IV

Biomarkers: HER2 negative, PR/HER2 negative.

Metastatic Site: endometrium (endometrial polyp)

No signs of recurrence were reported 18 months after total hysterectomy with bilateral adnexectomy for endometrial metastasis from invasive lobular breast carcinoma, with scheduled follow-up every 3 to 6 months.

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HR-Positive Breast Cancer: Anna's Survivor Story

Patient Info: Anna, Female, Under 40

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

As of October 2024, Anna was about 7 years from diagnosis and described long-term survivorship after surgery, chemotherapy, radiation, biologic treatment, and tamoxifen-related mental-health effects.

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Anna’s Triple-Positive Breast Cancer Story

Patient Info: Anna, Female, Under 40

Biomarkers: ER-positive, PR-positive and HER2-positive

Anna completed surgery, chemotherapy and radiation and continued to navigate the effects of hormone therapy, early menopause and fertility loss.

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Stage IV HER2-Positive Invasive Ductal Carcinoma: Dee's Patient Story

Patient Info: Dee Doherty, Female, Under 40 | Stage IV

Biomarkers: Hormone-sensitive disease implied by letrozole and ovarian suppression; ER/PR/HER2 status not explicitly stated

Metastatic Site: bone

As of September 2024, Dee was living with Stage IV metastatic breast cancer. Her tumors had not shrunk, but disease was stable on ribociclib/Kisqali, letrozole, and ovarian suppression.

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Stage IV Breast Cancer: Lourdes's Patient Story

Patient Info: Lourdes Monje, Under 40 | Stage IV

Metastatic Site: lung

Lourdes is receiving investigational treatment through a clinical trial, with manageable side effects, while continuing to work and spend time with family and friends.

Stage IV KRAS Breast Cancer: Lauren's Patient Story

Patient Info: Lauren, Female | Stage IV

Biomarkers: KRAS mutation in colon cancer context

Metastatic Site: Abdominal lining; spine

As of September 2024, Lauren was living with a history of Stage IV colon cancer and recurrent metastatic breast cancer in the spine, with low colon tumor markers, recurring spinal spots, and PET scans every 3 months.

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Stage 4 breast cancer: complete remission with letrozole and palbociclib

Patient Info: Anonymized, Female | Stage IV

Biomarkers: Breast cancer was ER/PR positive, HER2 0

Metastatic Site: pleura/pleural effusion

Breast cancer remained in remission on letrozole after palbociclib was stopped; Ph-positive B-ALL achieved complete response with no molecular residual disease after blinatumomab plus ponatinib, with ongoing monthly outpatient monitoring.

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Stage 1 invasive ductal breast cancer: nipple-preserving mastectomy with reconstruction

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

Biomarkers: ER-positive; PR-positive; HER2-negative; Ki-67 28%

No signs of recurrence 20 months after nipple-preserving mastectomy, sentinel node biopsy, immediate reconstruction, adjuvant chemotherapy, and endocrine therapy for ER-positive, PR-positive, HER2-negative invasive ductal breast cancer.

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Stage 4 breast cancer: ongoing treatment with multi-line chemotherapy

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

Biomarkers: Initial tumor: hormone receptor-negative; HER2 2+. 2011 recurrence: ER 10%; PR 70%; HER2 2+.

Metastatic Site: pleura/pleural effusion; lung

Metastatic breast cancer with malignant pleural effusion achieved complete response after chemotherapy and long-term endocrine therapy; PET-CT in October 2023 still showed complete response, with ongoing cardiac and bone-health management.

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ER-positive breast cancer: mastectomy after hormone therapy

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

Biomarkers: Breast cancer was ER+ and HER2-low/negative. PR changed from positive on biopsy to negative on final pathology; HNA-1 antibody found for neutropenia.

Stage IIA ER-positive invasive ductal breast cancer had no recurrence 3 years after endocrine therapy and total mastectomy with sentinel lymph node biopsy; autoimmune neutropenia was monitored rather than directly treated.

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