Synchronous invasive ductal breast cancer with clear cell renal carcinoma: A rare case report with review of literature

Discussion:In the treatment of renal cell carcinoma with multiple tumors, several factors should be interpreted, including the tumor stage, evaluation for the presence of metastasis, and whether the kidney tumor is accessible for operation.Conclusion:The term multiple cancer refers to the development of more than one tumor in a single patient that could be synchronous or metachronous. The association of invasive ductal breast cancer with clear renal cell carcinoma is a sparse entity.