Preoperative Nivolumab in Patients With Locally Advanced Colon Cancer (T3 or T4): a Window-of-opportunity Study

Locally advanced colon cancer must be documented at screening (within 21 days prior to initiation of study treatment) and re-assessed prior surgery by spiral or multidetector computed tomography (CT) scan Postoperatively, standard adjuvant chemotherapy will be administered in pathological III-stage and at investigator discretion in pathological II-stage at high risk