I saw a guy in the hospital. Who had a very bad condition.
I saw a guy in the hospital who was in a very bad state.
Why have you incorrectly split Tdol's sentence into one short one and an incomplete one?
Why have you quoted Rover's question and then asked another question unrelated to Rover's?
I think you can say it according to the corrections in post #2.Can I say "That was the worst thing that I have ever seen happen to a human body"?