How would you treat an isolated lung recurrence from colon adenocarcinoma that was initially resected without adjuvant chemotherapy?

The data on the role of adjuvant chemo following pulmonary metastasectomy are of low quality, i.e. mostly retrospective small studies. One can find both arguments for and against adjuvant chemo.

I would look carefully at the time elapsed from the resection of the colon cancer and the appearance of t...