The Effect of Primary Tumor Site on Survival in Metastatic Colorectal Cancer Patients and their Relation to and Biological Therapy Research Authors Gamal DA1 Mohamed AM1, Mahran TZ1, Abdelrazik GA1 Research Date Sun, 1 Jan 2023 - 12:00 Research Department Department of Clinical Oncology and Nuclear Medicine Research Journal SECI Oncology Research Member Doaa Ali Gamal Ali Research Year 2023