F. Mohammad, A. M. Muhar, and E. S. Siregar , Trans., “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., vol. 4, no. 1, pp. 40–55, Sep. 2024, doi: 10.70070/eqs5ry48.