A Case of Uterine Carcinosarcoma Detected Simultaneously with Breast and Colon Cancer (Triple Primary Malignant Tumor)

Uterine carcinosarcoma, also known as malignant mixed Mullerian tumor of the uterus, is rare and rarely diagnosed simultaneously with cancers in other organs. We report a case of a 63-year-old woman who was simultaneously diagnosed with uterine carcinosarcoma, breast cancer, and colon cancer.