A proliferative subtype of colorectal liver metastases exhibits hypersensitivity to cytotoxic chemotherapy di Liam F. Spurr, Carlos A. Martinez, Rohan R. Katipally, Soumya C. Iyer, Sian A. Pugh, John A. Bridgewater, John N. Primrose, Enric Domingo, Timothy S. Maughan, Michael I. D’Angelica, Mark Talamonti, Mitchell C. Posner, Philip P. Connell, Ralph R. Weichselbaum, Sean P. Pitroda