Do you recommend 3 months of chemotherapy, 6 months of chemotherapy, or no chemotherapy along atezolizumab in patients with low risk (T1-3, N1) Stage III dMMR colon cancer?

This is a good question (and a data-free zone). pMMR low-risk stage III disease can be treated with 3 months of CAPOX or 6 months of FOLFOX, based on the IDEA trial. The residual risk of relapse for this entity, after chemotherapy, is ~20%. FOLFOX for 3 months was inferior to 6 months by a few perce...