The Largest division in the geological time scale is the Precambrian Era.It lasted from around 4.6 billion years ago to 570 million years ago.
To become a Plastic Surgeon, one must complete a residency program in General Surgery. Dr. Jon Trevisani completed his General Surgery Residency Program at University of Kansas Medical Center in Kansas City, Kansas. The General Surgery Residency Program is 5 years which he becomes a General Surgeon. To enter the field of Plastic Surgery requires special training in called a Fellowship Training and/or advanced training Plastic and Reconstructive Surgery Residency Program which is 2 years.
How to Match in Plastic Surgery. Since 2009, all plastic surgery independent residency positions are 3 years long and integrated positions are 6. This replaces a prior option of 2 and 5 years, respectively. Some programs incorporate a mandatory extra research year. As of the 2016 match cycle, there are 69 integrated plastic surgery programs with 152 positions.