Conditions Treated by Dr. Mark J. Niederee, MD

• Abdominal Pain
• Anal and Rectal Cancer
• Anal Fissure
• Anorectal Abscess
• Atelectasis
• Cholecystitis and Gallstones
• Colorectal Cancer
• Diverticulum of Esophagus
• Endocrine Disorders
• Esophageal Cancer
• Esophageal Fistula
• Esophageal Varices
• Hemorrhoids
• Incisional Hernia
• Inguinal Hernia
• Intestinal Abscess
• Intestinal Obstruction
• Lipomas
• Pleural Effusion
• Pyloric Stenosis
• Secondary Malignancies
• Soft Tissue Sarcoma
• Stomach and Small Intestine Cancer
• Ulcerative Colitis
• Umbilical Hernia
• Ventral Hernia