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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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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Stage III HER2-Positive Occult Breast Cancer With a Complete Response to Treatment

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

Biomarkers: HER2-positive

Surgery after neoadjuvant treatment found no residual tumor in the breast or 20 examined lymph nodes, indicating a complete pathologic response; HER2-targeted therapy continued afterward.

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Stage II HER2-Positive Breast Cancer With Fever and a Reversible Brain MRI Lesion After Radiotherapy

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

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

After radiotherapy, fever, neutropenia, headache, and a reversible splenial brain lesion resolved with supportive and antibiotic treatment during her postoperative breast-cancer treatment course.

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HER2-Positive Breast Cancer That Spread to the Cervix

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

Biomarkers: HER2-positive; ER and PR less than 1% in the left breast tumor

Metastatic Site: cervix, esophagus, mediastinal lymph nodes

Cervical metastasis showed a local complete response after brachytherapy, but systemic disease later progressed to the esophagus. She died after 4 months of nutritional support and palliative treatment.

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Stage 4 invasive ductal carcinoma: metastatic disease with bone involvement managed successfully

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

Biomarkers: ER <1%; PR 0%; HER2 score 3+; Ki-67 60%

Metastatic Site: bone (12th thoracic vertebra/T12)

Stage IV HER2-positive breast cancer had improved T12 bone metastasis, major breast-tumor regression on trastuzumab deruxtecan, and pathologic complete response in the breast after mastectomy; durable systemic disease status was not reported.

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Metastatic HER2-Positive Breast Cancer Complicated by Recurrent Treatment-Related Heart Failure

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

Biomarkers: HER2-positive

Heart function improved after the cancer regimen was changed, but she later died from septic shock caused by bile duct obstruction.

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HER2-positive breast cancer: surgery after neoadjuvant therapy

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

Biomarkers: ER 1% weakly positive; PR-negative; HER2-positive

No evidence of disease on follow-up while taking anastrozole after pathologic complete response to neoadjuvant T-DM1, lumpectomy/SLNB, radiotherapy, and adjuvant trastuzumab for Stage I HER2-positive breast cancer.

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HER2-positive Stage I breast cancer: residual microinvasion after neoadjuvant T-DM1

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

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

No evidence of disease on follow-up after neoadjuvant T-DM1, lumpectomy/SLNB showing only residual microinvasion/DCIS, continued adjuvant T-DM1 to 17 total cycles, and 52.5 Gy radiotherapy.

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BRCA2-mutant metastatic breast cancer: complete response with rucaparib maintenance

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

Biomarkers: Germline BRCA2 mutation; somatic BRCA2 mutation; HER2 amplification not seen by FISH; grade III IDC

Metastatic Site: bone

She maintained a complete response for 2 years on rucaparib, letrozole, and zoledronic acid after upfront metastatic BRCA2-mutated breast cancer involving bone, axillary nodes, and right-breast nodules.

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HER2-Positive Breast Cancer: Irasema's Survivor Story

Patient Info: Irasema Partida Chavez, Female

Biomarkers: HER2-positive

Irasema reported no evidence of breast cancer for 3 years after surgery and HER2-targeted treatment.

Stage I HR-Positive Breast Cancer: Allison's Survivor Story

Patient Info: Allison Tierney, Female | Stage I

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

As of May 2024, Allison had recently completed her cancer treatment journey and reported successful hair preservation with cold capping during Taxol chemotherapy.

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HER2-positive apocrine breast cancer: chemotherapy and Herceptin

Patient Info: Anonymized, Female, 60s

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

Disease-free for 2 years after treatment for HER2-positive apocrine breast cancer, with no reported lymph-node recurrence or distant metastases during surveillance.

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Stage II HR-Positive Invasive Ductal Carcinoma: Allison's Patient Story

Patient Info: Allison Tierney, Female | Stage II

Biomarkers: ER-positive; PR-positive; HER2-positive; CHEK2 mutation; BRCA1/2 negative

As of March 2024, Allison had completed Taxol and Herceptin treatment, was on tamoxifen planned for 10 years, and had moved to 6-month oncology follow-up. No metastatic disease or recurrence was reported.

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HER2-Positive Metastatic Breast Cancer With Recurrent Severe Hypocalcemia - Case 2

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

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

Metastatic Site: bone, liver

She died about 7 years after her breast-cancer diagnosis after rapid deterioration from liver metastases.

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Stage II HR-Positive Invasive Ductal Carcinoma: Dorian's Survivor Story

Patient Info: Dorian de Salvo, Female | Stage II

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

As of March 2024, Dorian had a complete response to TCHP chemotherapy, clear surgical margins, and no lymph-node involvement after surgery, with radiation completed and additional care still expected for several months.

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Male Invasive Lobular Breast Cancer With a Pathogenic PALB2 Variant

Patient Info: Anonymized, male, 40s

Biomarkers: ER-positive; PR-positive; HER2 not amplified; pathogenic PALB2 variant

He was disease-free at 1-year follow-up after mastectomy, chemotherapy, and radiotherapy.

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HER2-Positive Metastatic Stomach Cancer Presenting With Tumor Lysis Syndrome

Patient Info: Anonymized, Male | Stage Metastatic/Advanced

Biomarkers: HER2 positive

Metastatic Site: liver

His metastatic gastric cancer progressed despite FOLFOX6 and trastuzumab. He entered hospice about 1 year later and died a few months afterward.

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HER2-positive Stage IIB breast cancer complicated by acute neuro-Behcet disease during neoadjuvant treatment

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

Biomarkers: ER-positive; PgR/PR-positive; HER2-positive by FISH amplification; Ki-67 index 50%

As of June 2024, there was no recurrence of breast cancer or neuro-Behcet disease 2 years after surgery and postoperative HER2-directed plus endocrine therapy.

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Metastatic HER2-Positive Breast Cancer With Treatment-Related Telangiectasias

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

Biomarkers: HER2-positive; initially ER-negative and PR-negative; metastatic disease weakly ER-positive and PR-negative; germline testing negative

Metastatic Site: left supraclavicular, mediastinal, axillary and…

Living with HER2-positive breast cancer for 9+ years since her 2014 diagnosis, including metastatic disease since 2017. She remained on reduced-dose tucatinib in 2023 while treatment-related telangiectasias improved after dose reduction and electrocautery.

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HER2-Positive Mucoepidermoid Breast Cancer With 61 Months Without Recurrence

Patient Info: Anonymized, female, 50s

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

She was alive without signs of recurrence after 61 months of follow-up, providing just over 5 years of documented follow-up for this second primary breast cancer.

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Five Years Without Breast Cancer Recurrence Despite a Markedly Elevated CA 15-3

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

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

Five years after her Stage I breast-cancer diagnosis, breast imaging and systemic evaluation showed no evidence of recurrence. The markedly elevated CA 15-3 was traced to a separate renal tumor and normalized after nephrectomy.

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Stage IV HER2-Positive Multiple primaries: metastatic Breast Cancer + Colon/Colorectal Cancer: Sherri's Patient Story

Patient Info: Sherri, Female | Stage IV

Biomarkers: HER2-positive breast cancer; colon cancer Signatera positive before surgery and negative after surgery

Metastatic Site: Bone marrow

As of October 2023, Sherri had no evidence of disease on recent scans for HER2-positive metastatic breast cancer but was receiving oxaliplatin/Oxyplatin chemotherapy and transfusions for a separate early Stage III colon cancer.

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Metastatic breast cancer: three years in remission with T-DM1 (Kadcyla) treatment

Patient Info: Anonymized, Female | Stage IV

Biomarkers: HER2-positive; hormone receptor-positive

Metastatic Site: liver; spine / bone

T-DM1 produced a complete clinical and radiological response after 7 cycles, sustained for 41 months and 60 cycles while treatment continued.

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