Pathologists play a key role in the evaluation of these specimens, including the quality assurance of surgical performance, which benefits both the surgeon and the patient.
The combination of FDG PET and CT has revolutionized the evaluation of colorectal cancer in terms of staging and restaging, accurately assessing, response to therapy, and surveillance of the patient.
Transrectal EUS is increasingly being used for locoregional staging of rectal cancer. The accuracy of EUS for the T staging of rectal carcinoma ranges from 80-95%. Accurate staging of rectal cancer is essential for selecting patients who can undergo sphincter-preserving surgery.
A direct vision of the tumor, a better identification of the mesorectal planes and a cleaner cut of the distal rectum, make easier to complete a perfect TME bottom up.