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Should adjuvant chemotherapy become standard treatment for patients with stage II colon cancer? For the proposal.

Sobrero A

Department of Medical Oncology, Ospedale San Martino, Genoa, Italy. alberto.sobrero@hsanmartino.liguria.it

Adjuvant chemotherapy is regarded as standard treatment for patients with stage III colon cancer; however, use of chemotherapy after surgery in patients with stage II disease remains controversial because of a lack of level I evidence. In 2005, the Minimum Clinical Recommendations, issued by the European Society for Medical Oncology (ESMO), did not advocate use of chemotherapy in stage II disease, but did state that chemotherapy "may be considered in selected node-negative patients". Similarly, in 2004, treatment recommendations from the American Society of Clinical Oncology (ASCO) for stage II colon cancer proposed that there might be some "patients with stage II disease that could be considered for adjuvant therapy, including patients with inadequately sampled nodes, T4 lesions, perforation, or poorly differentiated histology". Consequently, use of adjuvant chemotherapy in patients with stage II colon cancer is not universal. In this Debate, Alberto Sobrero from Genoa, Italy, and Claus-Henning Köhne from Oldenburg, Germany, present the arguments for and against the use of this type of treatment.

Published 5 June 2006 in Lancet Oncol, 7(6): 515-6.
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