Consists of performing almost any procedure using very fine lens through natural orifices such as the navel (natural closed  orifice) using articulated instruments.

Advantages

• Cosmetic procedures and surgical diseases that previously required large incisions
• Virtually no post-surgery pain
• Lower infection rates
• Reduced rate of hernias
• Less possibility of scar tissue (intra-abdominal adhesions)
• Less expenditure on pain medication
• Early reintegration to activities
  

• Appendix
• Gallbladder
• Ovarian cysts
• Inguinal Hernia
• Placement of catheter for peritoneal dialysis

• Theme Surgery Without Scars:
  Surgery without scars Interview Part 1
  
  Surgery without scars Interview Part 2
  
  Surgery without scars Interview Part 3
  
  Entrevista Surgery without scars Interview Part 4
  
  
• Special Report National News TV Azteca.
  Watch video

• Olmeca Journal:
  “Practiced scarless surgery first”
• Daily Goals:
  “Physician John Graham perfects the method of laparoscopic surgery”
• Daily Herald:
  “Presents new technique of laparoscopic surgery”.
• El Clarin:
  “Revolution in surgery”.
• Evening Journal:
  “Laparoscopic cholecystectomy: the best surgical alternative that leaves no trace”.
• Daily Herald:
  “The evolution of laparoscopy”