Sub-millimeter surgical margin is acceptable in patients with good tumor biology after liver resection for colorectal liver metastases

ConclusionsTumor biology plays an important role in deciding the appropriate resection margin in patients with CRLM undergoing radical surgery. R1 resection margin is only acceptable in RAS wild-type patients who respond to chemotherapy.
Source: European Journal of Surgical Oncology (EJSO) - Category: Surgery Source Type: research