Association Between Recurrence Rates of Colorectal Cancer and Carcinoembryonic Antigen Levels, Histopathological Features, Tumor-Infiltrating Lymphocytes, and Lymphatic Invasion at H. Adam Malik Central General Hospital, Medan. the. Indonesian. j. gen. med. 2024, 4 (1), 40-55. https://doi.org/10.70070/eqs5ry48.