RATIONALE: Questionnaires that assess symptoms caused by cancer and cancer therapy may help improve the ability to plan treatment for patients with invasive cancer to help them live longer and more comfortably. PURPOSE: This clinical trial is studying symptoms caused by cancer and cancer therapy in patients with invasive breast, lung, prostate, or colorectal cancer.
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Prevalence, severity, and interference due to physical and psychological symptoms experienced by cancer patients as assessed by MD Anderson Symptom Inventory at baseline and days 28-35 following initial assessment