Patient Reported Outcomes (PROs) in Anal Cancer Patient Treated by Intensity Modulated Radiotherapy (IMRT).

This study collects information about the quality of life and symptoms reported by patients with anal cancer who are receiving a modern form of radiation therapy called intensity-modulated radiation therapy (IMRT), which delivers precise doses to target tumors while protecting nearby healthy tissue. **You may be eligible if...** - You are at least 18 years old - You have squamous cell carcinoma of the anal canal - You have a low amount of cancer spread (limited metastatic disease) - You are scheduled to receive combined chemotherapy and radiation therapy (radiochemotherapy) - Your general health allows for this treatment (ECOG 0–3) **You may NOT be eligible if...** - You are under 18 years old - Your general health is too poor (ECOG above 3) - Your cancer has spread widely and is not suitable for radiochemotherapy Talk to your doctor to see if this trial is right for you.