From Leukemia to Solid Tumors, Successful Multidisciplinary Management of Three Distinct Primary Cancers in a Single Patient: A Case Report.

A 41-year-old man developed three distinct primary malignancies-acute myeloid leukemia, male breast cancer, and metastatic colorectal cancer-within 7 years. This rare case highlights the evolving challenge of multiple primary cancers and demonstrates how coordinated multidisciplinary care can preserve curative intent despite successive life-threatening diagnoses.