Colorectal cancer (CRC) is the second leading cause of cancer deaths globally [1,2], with significant implications for public health [1,2]. A thorough preoperative assessment of the colon is essential in CRC patients due to the risk of synchronous cancer, which occurs in 4.0 % to 6.0 % of cases [2–6]. Nevertheless, in cases of obstructive tumors, optical colonoscopy (OC), the gold standard for colorectal evaluation, may be incomplete [3,6–8]. In such cases, CT colonography (CTC) is recommended b…