Conditions Treated by Dr. Jonathan Y. Gefen, MD

• Abdominal Pain
• Anal and Rectal Cancer
• Anorectal Abscess
• Appendicitis
• Atelectasis
• Breast Cancer
• Cholecystitis and Gallstones
• Colorectal Cancer
• Crohn's Disease (Regional Enteritis)
• Diaphragmatic and-or Hiatal Hernia
• Diverticulum of Esophagus
• Esophageal Fistula
• Hidradenitis
• Hyperparathyroidism
• Incisional Hernia
• Inguinal Hernia
• Intestinal Abscess
• Intestinal Obstruction
• Lipomas
• Liver Cancer
• Lung Cancer
• Pancreatic Cancer
• Peripheral Arterial Aneurysm and Dissection
• Peripheral Vascular Disease (PAD, PVD)
• Pleural Effusion
• Rib Fracture
• Secondary Malignancies
• Soft Tissue Sarcoma
• Ulcerative Colitis
• Umbilical Hernia