Factors Related to Preoperative Assessment of the Circumferential Resection Margin and the Extent of Mesorectal Invasion by Magnetic Resonance Imaging in Rectal Cancer: A Prospective Comparison Study
Background This study was designed to identify factors related to inaccurate prediction of circumferential resection margin (CRM) and the extent of mesorectal invasion (EMI) in T3 tumors by preoperative magnetic resonance imaging (MRI) in rectal cancer.