Conditions Treated by Dr. Gregory R. Johnston, DO

• Abdominal Pain
• Adrenal Gland Cancer
• Anal Fissure
• Anorectal Abscess
• Appendicitis
• Atelectasis
• Breast Lump
• Cholecystitis and Gallstones
• Colorectal Cancer
• Crohn's Disease (Regional Enteritis)
• Diaphragmatic and-or Hiatal Hernia
• Hemorrhoids
• Incisional Hernia
• Inguinal Hernia
• Intestinal Abscess
• Intestinal Obstruction
• Liver Cancer
• Lung Cancer
• Pancreatic Cancer
• Peripheral Vascular Disease (PAD, PVD)
• Pleural Effusion
• Pyloric Stenosis
• Secondary Malignancies
• Soft Tissue Sarcoma
• Stomach and Small Intestine Cancer
• Stomach Cancer
• Ulcerative Colitis
• Umbilical Hernia
• Ventral Hernia