polymerase chain reaction clinical trials

Radiation Therapy and Fluorouracil With or Without Combination Chemotherapy Followed by Surgery in Treating Patients With Stage II or Stage III Rectal Cancer

This study looks at different ways to combine radiation and chemotherapy before surgery for stage 2 or 3 bowel cancer. Doctors hope to shrink tumours, making surgery easier and more successful. It compares various treatment plans to see which works best.