Standard chemotherapy shows no benefit for certain types of colon cancer

Patients with certain types of colon cancer do not benefit from standard chemotherapy, new research shows, and the treatment may even cut their survival time. The findings back up the findings of a 2003 study.

The researchers looked at the response to chemotherapy of more than 1000 patients with colon cancer, 15% of whom had the usually less aggressive dMMR type of tumour. These tumours occur later in life than …