My chest felt as if it were about to burst.
My chest felt heavy and I seemed to have trouble breathing.
His chest felt as though someone was standing on it.
She was hardly breathing, and her chest felt too full.
His chest felt as if it was going to explode this time.
His chest felt like a huge weight was pressing in on it.
Buck's chest felt heavy and he was short of breath.
Wanted to see so bad, my chest felt all tight.
His chest felt as though there were an iron bar inside it from one side to the other.
When she breathed out, her chest felt strong and clean.