Prospective Observational Trial to Evaluate Quality of Life After Neoadjuvant Radiation or Chemoradiation Followed by Surgery in Patients With Rectal Cancer

Observational study to evaluate longitudinal quality of life according to standardized EORTC questionaires as well as functional Outcome, oncological outcome and toxicity in patients treated with neoadjuvant short term radiation or long-term chemoradiation followed by surgery

Observational study to evaluate longitudinal quality of life in patients treated with neoadjuvant short-course Irradiation or neoadjuvant Long-Course chemoradiation followed by surgery. QoL will be evaluated by standardized EORTC questionaires QLQ C30 and CR29. Acute and late toxicity will be assessed according to CTCAE 4.03. Oncological Outcome will be assessed with regard to local and distant Control, Patterns of recurrence, freedom from Treatment failure and Overall survival. Correlations of physicians- and Patient-assessed functional outcomes are planned.