Conditions Treated by Dr. Robert G. Callahan, MD

• Abdominal Pain
• Anal Fissure
• Appendicitis
• Breast Lump
• Cholecystitis and Gallstones
• Colorectal Cancer
• Crohn's Disease (Regional Enteritis)
• Diaphragmatic and-or Hiatal Hernia
• Hemorrhoids
• Incisional Hernia
• Inguinal Hernia
• Intestinal Obstruction
• Lipomas
• Mesenteric Lymphadenitis
• Pleural Effusion
• Rib Fracture
• Secondary Malignancies
• Second-Degree Burns
• Stomach and Small Intestine Cancer
• Umbilical Hernia
• Ventral Hernia