Dr. Marcus' conditions and procedures:

Abdominal Disorders

Abdominal Pain

Abscess

All Types of Food Poisoning

Anal or Rectal Pain

Anemia

Autoimmune Diseases

Barrett's Esophagus

Benign Neoplasm of the Digestive System

Benign Tumor

Biliary Atresia

Blood Disorders

Cancer

Capsule Endoscopy

Celiac Disease

Cholecystitis and Gallstones

Cholelithiasis

Chronic Diarrhea

Cirrhosis

Colon Cancer Screening

Colonoscopy

Colonoscopy With Polypectomy

Colonoscopy, Proctosigmoidoscopy, and Sigmoidoscopy

Colorectal Cancer

Colorectal Cancer Screening

Constipation

Copper Metabolism Disorders

Crohn's Disease

Diaphragmatic and-or Hiatal Hernia

Diarrhea

Diverticulitis, Intestinal

Diverticulosis, Intestinal

Duodenal Ulcer

Duodenitis

Dysentery

Dysphagia

E. coli Food Poisoning

Endoscopy

Endoscopy (Esophagus, Stomach, Small Intestine)

Enteritis

Esophageal Achalasia and Cardiospasm

Esophageal Cancer

Esophageal Diseases

Esophageal Diverticulum

Esophageal Stricture

Esophageal Ulcer

Esophageal Varices

Esophagitis

Flexible Sigmoidoscopy

Gas-Bloat Syndrome

Gastric Ulcer

Gastritis

Gastroenterology Procedures

Gastroesophageal Reflux Disease (GERD)

Gastrointestinal Bleeding

Gastrointestinal Diseases

Gastrointestinal Malabsorption

Gastroparesis

GERD Treatment

Giardiasis

Heartburn

Helicobacter Pylori Gastrointestinal Tract Infection

Hemochromatosis

Hemorrhoidectomy or Excision of Anal Tags

Hemorrhoids

Hepatitis A

Hepatitis B

Hepatitis B - Immune Response

Hepatitis C

Hepatitis C Treatment

Hepatopulmonary Syndrome

Hernia

High Resolution Esophageal Manometry

Ileus

Indigestion

Inflammatory Bowel Disease

Intestinal Abscess

Intestinal Ischemia

Intestinal Obstruction

Iron Deficiency Anemia

Irritable Bowel Syndrome

Lactose Intolerance

Limb Swelling Caused by Fluid Overload

Liver Biopsy

Liver Damage from Alcohol

Liver Diseases and Disorders

Lower Gastrointestinal Hemorrhage

Malnutrition

Manometry

Mesenteric Lymphadenitis

Mesenteric Panniculitis

Microscopic Ulcerative Colitis

Nausea

Non-Alcoholic Fatty Liver Disease

Noninfectious Gastroenteritis and Colitis

Non-Neonatal Jaundice

Pancreatitis

Peptic Ulcer

Percutaneous Edoscopic Gastrostomy (PEG)

pH Probe

Pouchitis

Pyloric Stenosis

Pyloromyotomy

Reflux Esophagitis

Screening Colonoscopy

Sigmoidoscopy

Stomach and Small Intestine Cancer

Stomach Cancer

Stomach Diseases

Stomal Ulcer

Therapeutic Colonoscopy

Ulcer

Ulcerative Colitis

Ulcerative Proctosigmoiditis

Unexplained Weight Loss

Viral Hepatitis

Vomiting Disorders