Stage IV HER2-Positive Breast Cancer: Kathleen's Patient Story

Patient Info: Kathleen McEvoy-Schufreider, female, 60s | Stage IV

Biomarkers: HER2-positive

Metastatic Site: liver, bones

Kathleen continued long-term treatment for metastatic breast cancer, including infusions every 3 weeks after resuming the PATINA regimen outside the trial.

Dana-FarberRead more →

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

Patient Info: Jennifer Masters, Female, 60s | Stage IV

Biomarkers: HER2-positive

Metastatic Site: Chest wall/skin near surgery incision; lymph nodes

As of May 2025, Jennifer had no reported recurrence for several years after Stage IV HER2-positive metastatic breast cancer responded completely to clinical-trial treatment with T-DM1 and neratinib; she continued annual Cleveland Clinic visits and remained active with family and volunteering.

Cleveland ClinicRead 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.

The Patient StoryRead more →

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.

The Patient StoryRead more →

HER2-Positive Breast Cancer With Brain and Leptomeningeal Metastases Responding to Intrathecal Treatment

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

Biomarkers: HER2-positive

Metastatic Site: brain, leptomeninges

More than 5 years after her September 2019 diagnosis, neurological symptoms had resolved, cerebrospinal fluid remained negative for tumor cells, and maintenance treatment was continuing in February 2025.

PubMed CentralRead more →

HER2-amplified primary mucinous cystadenocarcinoma of the breast: surgery and adjuvant treatment

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

Biomarkers: HER2-amplified / HER2 3+; ER/PR-negative; Ki-67 ~50%; p53 high; microsatellite stable. No clinically significant inherited mutation reported.

As of November 2024, she had more than 104 months of disease-free survival after breast-conserving surgery, sentinel lymph node biopsy, EC-T chemotherapy, and radiotherapy for Stage IIA HER2-amplified primary mucinous cystadenocarcinoma of the breast.

PubMed CentralRead more →

HER2-positive breast cancer with brain metastases: responding well to T-DXd

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

Biomarkers: ER-positive; PR-positive; HER2-positive / HER2 IHC 3+

Metastatic Site: brain (left cerebellum, left frontal lobe, medulla)

After 14 months and 19 doses of T-DXd, brain metastases remained controlled with no symptomatic or radiological relapse and no severe T-DXd-related adverse events.

PubMed CentralRead more →

HER2-Positive Breast Cancer Treated After Chemotherapy-Related Hemorrhagic Cystitis

Patient Info: Anonymized, Female, 40s

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

Under surveillance with no evidence of breast-cancer recurrence for 2 years.

PubMed CentralRead more →

HER2-Positive Invasive Ductal Breast Cancer Treated After Chemotherapy-Related Hemorrhagic Cystitis

Patient Info: Anonymized, Female, 50s

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

Under surveillance for 2 years with no signs of malignancy.

PubMed CentralRead more →

Stage IV HER2-Positive Breast Cancer: Anne's Patient Story

Patient Info: Anne Keane, 40s | Stage IV

Biomarkers: HER2-positive

Metastatic Site: bones, liver

Anne had an extraordinary response to first-line treatment for metastatic HER2-positive breast cancer and remained on the same HER2-targeted therapy for 6 years.

Dana-FarberRead more →

Metastatic Breast Cancer Returning About 20 Years After Initial Treatment

Patient Info: Anonymized, Female | Stage IV

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

Metastatic Site: bones

About 20 years after her original breast-cancer treatment and sustained remission, bone biopsy confirmed metastatic recurrence; she became too unwell for planned cancer therapy and chose supportive care.

PubMed CentralRead more →

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.

PubMed CentralRead more →

HER2-Positive Breast Cancer With Metastatic Progression and Drug-Induced Lupus During T-DM1

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

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

Metastatic Site: bones, axillary lymph nodes, intra-abdominal lymph…

More than 5 years after her March 2018 diagnosis, she was living with metastatic breast cancer, but T-DM1 had been stopped after disease progression in 2023.

PubMed CentralRead more →

Stage III HER2-Positive Breast Cancer Complicated by Systemic Sclerosis During Treatment

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

Biomarkers: HER2-positive

At 3-month follow-up after anticancer treatment was stopped, no breast-cancer recurrence or metastasis was detected.

PubMed CentralRead more →

Breast Cancer and a Separate Intrahepatic Cholangiocarcinoma in a 35-Year-Old Woman

Patient Info: Anonymized, Female, Under 40

Biomarkers: ER-positive, PR-positive, HER2/CerbB-2 positive

Breast-cancer care continued with postoperative endocrine maintenance while a separate primary intrahepatic cholangiocarcinoma required additional treatment.

PubMed CentralRead more →

Stage I Breast Cancer and a Separate Mixed Primary Liver Cancer in a 62-Year-Old Woman

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

Biomarkers: HER2/CerbB-2 positive

Postoperative pathology showed Stage I breast cancer, and the breast tumor did not progress.

PubMed CentralRead more →

HER2-positive squamous cell breast cancer in complete remission

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

Biomarkers: HER2-positive squamous cell breast cancer, ER/PR negative, PD-L1 negative

Clinical complete remission and survival beyond 4 years after mastectomy, AC-TH chemotherapy, and HER2-directed maintenance therapy for Stage IIA HER2-positive primary squamous cell breast cancer.

PubMed CentralRead more →

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.

The Patient StoryRead more →

Severe Corneal Injury After Trastuzumab for Metastatic HER2-Positive Breast Cancer

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

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

Metastatic Site: lungs, spine, left adrenal gland, calvarium, orbit,…

She was living with widespread metastatic breast cancer when trastuzumab was stopped because of severe eye toxicity.

PubMed CentralRead more →

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.

The Patient StoryRead more →

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.

The Patient StoryRead more →

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.

PubMed CentralRead more →

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.

PubMed CentralRead more →

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.

PubMed CentralRead more →