Original sentence: Allison Gannet, a World Cup  freeskier Champion, had had 7 previous knee surgeries before having a biological joint replacement, with Stone as her surgeon.He was trained at Harvard’s  Beth Israel Hospital in internal medicine from 1981-82, then in general surgery at Stanford University Medical Center from 1982-83, and lastly in orthopaedic surgery at The Harvard Combined Orthopaedic Residency 1983-1986.While a clinical fellow in Lake Tahoe, Stone initiated research at the Letterman Army Institute of Research in collaboration with Bill Rodkey,  D
Edited sentence: Allison Gannet, a World Cup freeskier Champion, had had 7 previous knee surgeries before having a biological joint replacement, with Stone as her surgeon.He was trained at Harvard’s Beth Israel Hospital in internal medicine from 1981-82, then in general surgery at Stanford University Medical Center from 1982-83, and lastly in orthopaedic surgery at The Harvard Combined Orthopaedic Residency 1983-1986.While a clinical fellow in Lake Tahoe, Stone initiated research at the Letterman Army Institute of Research in collaboration with Bill Rodkey, D