In the natural history of colorectal cancer, recurrence involves 30 to 50% of
patients who have undergone curative surgical treatment [1] and occurs, in over
90% of cases, in the first 5 years following exeresis of the primitive tumor [2].
The risk of tumor recurrence is greater in patients presenting at diagnosis
with a higher tumor stage (according to the commonly used TNM staging proposed
by the American Joint Committee on Cancer, AJCC).
The most common sites of colorectal recurrence are, in order,