Health Education Materials With/Out a Physical Activity Program for Patients Who Have Undergone Treatment for High-Risk Stage II or Stage III Colon Cancer

DISEASE CHARACTERISTICS: * Completely resected histologically confirmed adenocarcinoma of the colon * High-risk stage II disease, including one of the following: * T4 lesions * Less than 12 sampled lymph nodes * Poorly differentiated histology * Stage III disease, defined as having at least one pathologically confirmed positive lymph node or one pathologically confirmed positive tumour deposit. * Synchronous primary colon cancer allowed * Adjuvant chemotherapy treatment for colon cancer with a 5-fluorouracil- based regimen received with an intent to provide a complete course of treatment. While one current standard is 24 weeks of treatment, patients who are pre-planned to receive a shorter duration of chemotherapy, including as part of a research study will also be permitted. The actual treatment received may be less than 24 weeks; participants must have received a minimum of one treatment cycle. * Chemotherapy must have been completed (i.e. last dose received) a minimum of 60 days and a maximum of 180 days prior to registration. * Carcinoembryonic antigen (CEA) ≤ 5 μg/L * Current physical activity levels do not meet the recommended guidelines (≥ 150 minutes of moderate-to-vigorous or ≥ 75 minutes of vigorous physical activity/week) as calculated using the Leisure Time Exercise Questionnaire (LTEQ) * Completion of chest x-ray or CT, and CT, MRI or ultrasound of abdomen within 60 days of registration; these imaging tests must not show evidence of metastati…