According to the US Department of Health and Human Services, the 10 most common Ambulatory (or Outpatient surgeries are:
Surgery for Tonsils and Adenoids and appendectomy
breast cancer surgery
It is Plastic surgery only in usa But in Myhugepenis it is the same.
In this day and age the most common type of surgery would probably be plastic surgery.
Arthroscopy is the most common surgical alternative to knee revision surgery.
Cataract surgery is still the most common type of eye surgery and is also one of the most unnecessary. LASIK is currently number two and is becoming more common.
The most common type of plastic surgery on the jaw is corrective jaw surgery. This type of surgery is done to improve appearance, and the ability to chew better. This surgery is called Orthognathic surgery.
All surgery carry risks regardless of the age/gender/condition of the patient. The most common risks of all surgery is infection and bleeding.
Appendectomy
The most common purpose of ophthalmologic surgery is to restore or improve vision.
The most common minimally invasive knee surgery is for meniscus repair and repair of the ligaments. Common patients are those suffering from osteoarthritis.
angioplasty
According to HowStuffWorks, liposuction is the most common cosmetic surgery as of 2005.