Iktej S Jabbal, Arun Nagarajan, Carlos Rivera, Marita Yaghi, Hong Liang, Zeina Nahleh, Pablo Bejarano, Mariana Berho, Steven Wexner
PURPOSE: Medullary carcinomas (MC) of the colon are uncommon tumors. In this study, we analyzed demographic and disease characteristics as well as survival outcomes of MC versus undifferentiated (UDA) and poorly differentiated (PDA) adenocarcinomas (AC) of the colon. MATERIALS AND METHODS: The National Cancer Database (2004-2018) was utilized to identify patients with colon cancer. Patient demographics (including age, gender, race), disease characteristics (including grade, TNM stage, carcinoembryonic levels, perineural and lymphovascular invasion, lymph node status, microsatellite stability, KRAS mutation, and primary tumor site), and facility type and location were evaluated...
December 2022: Surgical Oncology