Conditions Treated by Dr. Mark A. Casillas Jr., MD

• Anal and Rectal Cancer
• Anal Cancer
• Anal Disorders
• Anal Fissure
• Anal Fistula
• Anorectal Abscess
• Appendicitis
• Appendix Cancer
• Carcinoma in Situ
• Colon Cancer
• Colon Disorders
• Colon Polyp
• Colonic Diverticulosis
• Colorectal Cancer
• Colorectal Polyp
• Crohn's Disease (Regional Enteritis)
• Diverticulitis
• Familial Colorectal Cancer
• Familial Polyposis
• Familial Polyposis, Classical
• Fecal Incontinence
• Fissures
• Gastroenterologic Cancer (Colon, Stomach, Esophageal, Liver)
• Hemorrhoids
• Hereditary Nonpolyposis Colon Cancer
• Intestinal Abscess
• Intestinal Obstruction
• Meckel's Diverticulum
• Pilonidal Cyst
• Rectal Abscess