Molecular Residual Disease and Recurrence in Rectal Cancer Patients Undergoing Upfront Surgery: A Prospective Cohort Study.

Patients with RAS -mutated tumors tended to have a higher ctDNA-positivity rate in the MRD window than those with wild-type RAS , although the differences did not reach statistical significance (Supplementary Table 1, Supplemental Digital Content 1, http://links.lww.com/SLA/F640 ).

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