Extended radical colectomies in young patients and in those where adenomatous polyps coexist will reduce the incidence of metachronous carcinoma. Effective and persistent postoperative surveillance in patients with colorectal cancer will greatly contribute in the detection and treatment of metachronous carcinomas.

In conclusion, we believe that the systematic postoperative follow-up of the patients with colorectal cancer through CT, colonoscopy and the use of tumour markers contributes decisively to the early diagnosis and treatment of any possible recurrence of the cancer or a metachronous cancer or misdiagnosed concomitant cancer.

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