Conditions & Treatments The West Valley Colon and Rectal Surgery Team are trained to provide effective screenings and treatment methods. They use the latest and most advanced treatments and screenings for colon cancer. Anal and Rectal Abscess Anal Cancer Anal Fissure Bowel Incontinence Colonoscopy Colorectal Cancer Constipation Crohn’s Disease Diverticular Disease Genetics and Colorectal Cancer Hemorrhoids Ostomy Pelvic Floor Dysfunction Perirectal Abscess Drainage Pilonidal Disease Polyps of the Colon and Rectum Pruritus Ani Rectal Prolapse