Hormone receptor-positive, HER2-positive breast cancer with later lung metastasis

Patient Info: Anonymized, Female | Stage IV

Biomarkers: Hormone receptor-positive; HER2-positive

Metastatic Site: Lung

The patient had hormone receptor-positive, HER2-positive breast cancer treated with standard therapy, then developed lung metastasis years later and continued molecular targeted therapy indefinitely while asymptomatic from the metastasis.

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

Patient Info: Regina Ritter, Female, 50s | Stage IV

Biomarkers: HER2-positive

Metastatic Site: Liver | Lung

At the 2013 interview, Regina was living with metastatic HER2-positive breast cancer after liver metastasis at diagnosis, later recurrence, and inoperable lung metastasis treated with oral chemotherapy.

Krankheitserfahrungen.deRead more →

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

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

Biomarkers: HER2-positive

Metastatic Site: Brain | Liver

Leftfootforward was diagnosed with Stage IIB HER2-positive breast cancer in 2010 and metastatic brain/liver disease in 2012; after systemic therapy, Gamma Knife, craniotomy for necrotic tissue, partial liver lobectomy, and resumed Herceptin, her latest scans showed no evidence of disease.

BreastCancer.org (ES)Read more →

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

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

Biomarkers: Hormone receptor-positive; HER2-positive

Pilar was living with metastatic hormone receptor-positive, HER2-positive breast cancer, continuing systemic treatment with Zoladex, aromatase inhibitors, trastuzumab, and pertuzumab, and managing side effects with rehabilitation support.

Stage IV HR-Positive Invasive Lobular Carcinoma: Leanne's Patient Story

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

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

Metastatic Site: Brain

Leanne was first diagnosed in 2015 with Stage III triple-positive ILC and then diagnosed with metastatic lobular breast cancer with brain metastasis on April 4, 2018, causing major neurologic and work limitations.

Lobular Breast Cancer AllianceRead more →

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

Patient Info: Jennifer Feinberg, Female, 40s | Stage IV

Biomarkers: HER2-positive

Metastatic Site: brain

8+ years after her initial breast cancer diagnosis, she was living with metastatic HER2-positive breast cancer with brain metastases and receiving trastuzumab as her tenth line of treatment.

Dana-FarberRead more →

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

Patient Info: Tiffany Andrews, Female, Under 40 | Stage IV

Biomarkers: HER2-positive; ER-negative at recurrence

Metastatic Site: lungs|brain

Tiffany is living with metastatic HER2-positive breast cancer and continues treatment through a clinical trial after progression in the lungs and brain.

MD AndersonRead more →

Stage IV HR-Positive Breast Cancer: Alison's Survivor Story

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

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

Metastatic Site: Cervical/neck lymph nodes

Alison reported complete remission since August 2017 while continuing intermittent maintenance chemotherapy, most recently 1 month of treatment followed by 2 months off.

The Patient StoryRead more →

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

Patient Info: Shari S., Female | Stage IV

Biomarkers: ER-positive, PR-positive and HER2-positive; no inherited cancer mutation was identified

Metastatic Site: Brain; other initial metastatic sites were not named

Systemic imaging after chemotherapy showed no active disease, but brain metastases later required stereotactic radiation. Shari remained stage 4, continued Herceptin every 3 weeks and underwent brain MRI every 3–4 months.

The Patient StoryRead more →

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

Patient Info: Renee N., Female | Stage IV

Biomarkers: HER2-positive

Metastatic Site: Brain

As of June 2026, Renee’s public story described living with metastatic HER2-positive breast cancer as a chronic illness, after brain radiation and while on Kadcyla every 3 weeks with stable scans reported in December 2019 and early March 2020.

The Patient StoryRead more →

Metastatic HER2-positive breast cancer complicated by severe low magnesium

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

Biomarkers: HER2-positive

Metastatic Site: bone|lungs|liver|brain

She died during a hospitalization for advanced metastatic breast cancer and severe treatment-related hypomagnesemia, with her final care focused on comfort.

PubMed CentralRead more →

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

Patient Info: Christina, Female | Stage IV

Biomarkers: HER2-positive

Metastatic Site: Liver; lymph nodes

Christina was living with Stage IV HER2-positive metastatic breast cancer. Treatment had cleared the liver disease and removed the visible breast tumor, but small armpit lymph-node disease required radiation and she continued IV treatment every 3 weeks.

The Patient StoryRead more →

ER-positive/HER2-positive breast cancer with rare paranasal sinus and skull metastasis

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

Biomarkers: Primary and paranasal sinus metastasis were ER positive, PR negative, HER2 positive; GATA3 supported breast origin in metastasis.

Metastatic Site: left frontal sinus; ethmoid air cells; posterior…

The paranasal sinus/skull metastasis did not respond to palliative radiotherapy; her condition deteriorated and she died 2 years after her initial presentation to the treating facility.

PubMed CentralRead more →

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

Patient Info: Sonja Rideout, Female | Stage IV

Biomarkers: HER2-positive; Tempus testing later indicated immunotherapy as an option

Metastatic Site: Lungs; liver; bone: tailbone; thoracic lymph nodes

As of January 2026, Sonja was living with metastatic HER2-positive breast cancer after spread to lungs and liver, later tailbone and thoracic lymph nodes, and had moved to weekly carboplatin/gemcitabine plus monthly immunotherapy.

Synchronous EGFR-mutated lung adenocarcinoma and metastatic breast cancer: surgery and adjuvant therapy

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

Biomarkers: Two cancers: lung adenocarcinoma with EGFR exon 19 deletion; breast cancer ER-positive, PR-low, HER2 non-amplified.

Metastatic Site: lung

Follow-up CT on 26 December 2024 showed no recurrence, with disease-free survival estimated at 27 months to 1 April 2025 while on icotinib and letrozole maintenance.

PubMed CentralRead more →

HER2-positive breast cancer: brain recurrence, T-DXd liver injury, and later progression

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

Biomarkers: HER2-positive; hormone receptor-negative; grade 3 infiltrative breast carcinoma

Metastatic Site: brain; thoracic lymph nodes

As of October 2025, the patient had developed brain and thoracic nodal recurrence after HER2-directed treatment, experienced T-DXd-associated liver injury, progressed after later paclitaxel/trastuzumab, and died at home in December 2024 under palliative care.

PubMed CentralRead more →

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

Patient Info: Paul Forgette, Male, 60s | Stage IV

Biomarkers: HER2-positive; triple-positive breast cancer; CHEK2 mutation

Metastatic Site: Bones; lymph nodes

By October 2025, 9 months after starting Enhertu, Paul’s Stage IV HER2-positive male breast cancer was described as dormant, not cured, with continued City of Hope care and integrative support.

City of HopeRead more →

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.

PubMed CentralRead more →

Metastatic HER2-positive breast cancer complicated by medication-related osteonecrosis of the jaw

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

Biomarkers: HER2-positive breast cancer. Jaw workup focused on osteonecrosis

Metastatic Site: bone / osseous metastasis

The case focused on metastatic HER2-positive breast cancer complicated by medication-related osteonecrosis of the jaw after antiresorptive therapy; dental pain improved transiently after oral-surgery interventions, but systemic cancer response was not described.

PubMed CentralRead more →

HER2-positive breast cancer with brain, skin, and lymph-node metastases responding to dual-targeted therapy

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

Biomarkers: HER2-positive breast cancer. Initial tumor was ER/PR negative with Ki-67 30%; skin metastasis had Ki-67 70%.

Metastatic Site: brain, left cervical lymph nodes, skin of left chest…

After 1 cycle of inetetamab trastuzumab, pyrotinib, and capecitabine, skin metastases regressed, CEA and CA125 decreased, brain lesions shrank, and the largest lesion decreased by about 46%, meeting partial response; disease remained stable as of September 2024.

PubMed CentralRead more →

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

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

Biomarkers: HER2-positive; no hereditary mutation reported

Metastatic Site: lymph nodes, liver, spine

Elissa had Stage IV HER2-positive metastatic breast cancer with an early strong response to systemic therapy, but she described the disease as long-term and not curative. As of July 2025, she had lived with metastatic breast cancer for about 4 years and had received roughly 5 lines of treatment.

The Patient StoryRead more →

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 →