Conditions Treated by Dr. David P. Johnston Jr., MD

• Abdominal Pain
• Adrenal Gland Cancer
• Anal and Rectal Cancer
• Appendicitis
• Atelectasis
• Biliary Atresia
• Breast Cancer
• Breast Lump
• Carcinoma in Situ
• Cholecystitis and Gallstones
• Colorectal Cancer
• Crohn's Disease (Regional Enteritis)
• Diaphragmatic and-or Hiatal Hernia
• Hemorrhoids
• Hidradenitis
• Hyperparathyroidism
• Incisional Hernia
• Inguinal Hernia
• Intestinal Obstruction
• Lipomas
• Liver Cancer
• Lung Cancer
• Neuroendocrine Tumors
• Parathyroid (Gland) Cancer
• Parathyroid (Gland) Disease
• Parathyroid (Gland) Tumor: Other than Malignant
• Peripheral Arterial Aneurysm and Dissection
• Peripheral Vascular Disease (PAD, PVD)
• Pleural Effusion
• Secondary Malignancies