Transcript for From Army vet who lost both legs to Harvard Medical school graduate: Part 6
My name is Gregory guy out C a was a captain in the united states army and now a first year medical student at Harvard medical. Greg Kelly Nazis transformation. From good soldier too good doctor. Began to violently back in 2011. While he was serving in Iraq. Went out to center normal daily patrol we're on our way back then mission. And walking down the road. Out of nowhere just been hit by a roadside bomb my legs were gone my arm missiles with the seven. Elbow as well we'll that a Medicare to have more kids there's those inmates it. So the only thing I could do is screened. By the time I was brought to the trauma bay they revived me. What I found out then was that the real name. It's just beginning. Even with the most loving supporting family friends and community night I was the one that was there in the middle of the night. Staring at the clock came pain in tears wondering when or if it will ever get. It was time eventually the pain the pain started to settle every game string. Fans as a regained. Bill yes sir. Having over fifty surgery. Hundreds of hours of physical therapy monks and ends as inpatient hospital not only don't want to practice medicine and next it strengthened my resolve to do it over two years say they're taking an eighteen forces in march of this year 2070 in. IA who have got exceptions that I was hoping we can't remember one school choice that this president this its where I met the girl jasmine. Eventually is to name and yes. Planning a wedding for next year's. Even though I've gone through this journey I mean. It's not lost on me how old how unbelievable this rider's pin and a lucky guy and to be here. Be patient with a full time to even when things may be getting worse for a little while. Stick it out. So many incredible real stories of survival so many good doctors. And Monday September 25 you can see the premiere of the new show the good doctor and need TV's newest superhero doctor Sean Murphy. Right here funny BC. And that's our show for tonight I'm Elizabeth Vargas thanks so much for joining us have a great night.
This transcript has been automatically generated and may not be 100% accurate.