Surgery Treats Rare Breast Tumor and Colon Cancer

A 59-year-old patient underwent a radical mastectomy and left hemicolectomy to address two distinct, simultaneous cancer diagnoses.

Updated on Oct. 16, 2026 in Cancer

Surgery Treats Rare Breast Tumor and Colon Cancer

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Do you prioritize regular medical checkups and cancer screenings even if you feel healthy?

In May 2026, medical professionals reported the case of a 59-year-old patient who underwent successful surgery for a malignant phyllodes breast tumor and early-stage colon adenocarcinoma. The patient, who had not visited a physician in two decades, was confirmed to be disease-free at a one-year follow-up examination.

Why it matters

This case underscores the clinical necessity of regular medical checkups for early disease detection, as the patient had ignored a breast mass for 18 months before seeking care. It also highlights the critical role of diagnostic imaging, such as PET scans, in identifying secondary primary cancers.

Malignant phyllodes tumors represent less than 1% of all breast tumors, with 15% to 30% of these cases being identified as malignant. A PET scan was used to identify the colon adenocarcinoma after the patient presented with a long-standing breast mass.

The players

NYU Langone Health

This academic medical center located in New York City is consistently ranked among the top healthcare institutions in the United States.

USPSTF

The U.S. Preventive Services Task Force is an independent panel of national experts in disease prevention and evidence-based medicine.

The details

Surgeons at NYU Langone Health performed a radical mastectomy to remove the breast tumor and a left hemicolectomy to treat the colon cancer. The chest wound was repaired using a local tissue flap to facilitate healing.

2021: The USPSTF lowered the recommended age for colorectal cancer screening to 45.
May 2026: The case report was published in Oxford Medical Case Reports.
2026: The American Cancer Society projected 158,850 new colorectal cancer cases.

Health Landscape

The clinical handling of this patient reflects the broader push by the medical community to align with the USPSTF colorectal cancer screening guidelines. By identifying early-stage cancer through routine screening protocols, providers aim to improve outcomes in high-risk populations.

Patients who have not sought medical care for extended periods should prioritize screenings for common malignancies regardless of existing symptoms. Consult with a primary care physician to ensure you are up to date on recommended screenings based on your age and health history.

The takeaway

Neglecting routine checkups can allow treatable conditions to advance into more complex health challenges. Prioritizing preventive care is the most effective way to catch malignancies early and significantly improve long-term survival outcomes.