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Gan To Kagaku Ryoho. 2015 Nov;42(12):1800-2.

[A Case of Spontaneous Regression of Breast Cancer with Multiple Lung Metastases].

[Article in Japanese]

Author information

1
Dept. of Surgical Oncology, Osaka City University Graduate School of Medicine.

Abstract

Spontaneous regression of any malignant tumor is a rare event, occurring in about 1 of 60,000-100,000 cases of malignant tumor. We report a case of spontaneous regression of breast cancer with multiple pulmonary metastases. The patient was a 73-year-old woman who complained of a left mammary mass. A tumor, approximately 2.2 cm in diameter, was palpated, and breast cancer was suspected based on ultrasound examination. Histopathological findings of the core needle biopsy specimen indicated invasive ductal carcinoma. The patient underwent partial mastectomy with axillary lymph node dissection. It was a stage ⅡB (pT2N1 [sn] M0) tumor. CT performed after adjuvant therapy confirmed the presence of multiple pulmonary metastases 6 years after surgery. We started anti-cancer therapy with TS-1; however, it was discontinued because an adverse event occurred. Half a year later, tumor shrinkage was confirmed after a recurrence. Four years and 6 months after the treatment was discontinued, the tumor continued to regress spontaneously.

PMID:
26805177
[Indexed for MEDLINE]

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