Case Report

Collision Tumor: Invasive Ductal Carcinoma in Association with Mucosa-associated Lymphoid Tissue (MALT) Lymphoma in the Same Breast

Synchronous occurrence of multiple neoplastic processes is uncommon and the relationship between breast cancer with lymphoproliferative diseases is unusual as well. Furthermore, breast involvement by malignant lymphoma is a rare event and primary breast mucosa-associated lymphoid tissue (MALT) lymphoma is even rarer. We report a patient with synchronous occurrence of…