Delayed Nausea and Vomiting in Patients With Colorectal Cancer Receiving Oxaliplatin

RATIONALE: Learning how often patients experience nausea and vomiting after receiving anti-vomiting medicine and chemotherapy for colorectal cancer may help doctors plan better treatment and improve patients’ quality of life. PURPOSE: This clinical trial is studying delayed nausea and vomiting in patients with colorectal cancer receiving standard anti-vomiting medicine during the first course of chemotherapy.