Dr. Ruan's conditions and procedures:

• Abdominal Disorders
• Abscess
• Abscess or Cyst Drainage or Aspiration
• Abscess or Fluid Incision and Drainage
• Anal and Rectal Cancer
• Anal Disorders
• Anal Fissure
• Anal Fistula
• Anal or Rectal Pain
• Anal Prolapse
• Anorectal Abscess
• Appendectomy, Laparoscopic
• Appendectomy, Open
• Appendicitis
• Cancer
• Colectomy
• Colectomy and Sigmoidectomy With Robotic Assistance
• Colon and Rectal Surgery
• Colonoscopy, Proctosigmoidoscopy, and Sigmoidoscopy
• Colorectal Cancer
• Constipation
• Crohn's Disease
• Destruction of Anal Tumor
• Dressing and-or Debridement of Wound, Infection, or Burn (incl. Negative Pressure Wound Therapy)
• Enterostomy (Laparoscopic or Open)
• Excision of Rectal Tumor
• Fistulectomy or Fistulotomy, Anal
• Flexible Sigmoidoscopy With Robotic Assistance
• Gastroenterology Procedures
• Gastrointestinal Diseases
• Hemorrhoidectomy or Excision of Anal Tags
• Hemorrhoids
• Hernia Repair
• Incisional Hernia Repair, Laparoscopic
• Inflammatory Bowel Disease
• Intestinal Abscess
• Intestinal Obstruction
• Intestinal Transplant (incl. Enterectomy)
• Laparoscopic Abdominoperineal Resection of the Rectum With Robotic Assistance
• Laparoscopic Sigmoidectomy With Robotic Assistance
• Laparoscopic Surgical Procedure
• Laparotomy
• Open Incisional and-or Ventral Hernia Repair
• Proctectomy, Open or Laparoscopic (incl. Swenson and Duhamel Procedures)
• Rectovaginal Fistula
• Removal or Destruction of Rectal or Intestinal Tumor (incl. Colonoscopy, Proctosigmoidoscopy, Sigmoidoscopy and Control of Hemorrhage)
• Repair of Anal and Rectal Defects (Anoplasty, Repair of Imperforate Anus, Sphincteroplasty, Rectal Graft)
• Secondary Malignancies
• Ulcer
• Ulcerative Colitis