An Investigational Scan (Intravoxel Incoherent Motion Diffusion Weighted Imaging) for the Evaluation of Colorectal Cancer Liver Metastases Treatment Response

Inclusion Criteria: * Patients with treatment-naive resectable CLM, who will start chemotherapy with oxaliplatin with fluorouracil (5-FU)/leucovorin (FOLFOX), irinotecan with 5-FU/leucovorin (FOLFIRI), or a combination, such as fluorouracil, leucovorin, oxaliplatin and irinotecan (FOLFOXIRI), with or without a biologic agent * Patients with at least 1 colorectal liver metastasis measuring at least 1 cm * Patients with anticipated follow-up before and after surgery at MD Anderson Exclusion Criteria: * Patients who have already received preoperative chemotherapy for the CLM or will undergo radiation therapy, ablative therapies, or other non-surgical therapies directed at the liver * Patients allergic to gadolinium * Patients with pacemakers * Greater than 400 pounds in weight