Unilateral reduction mammoplasty?
Death, which is why you haven’t come back to this thread and put us out of our misery.
Inflammation of the chest wall.
I was going to say pleurisy. I had an attack in college - whoa!
It’s just gas. Go ahead and fart.
There you go, wasting time on creative thinking. 
Alien?
8 hours later, no reply … er, um, death?
Stab wound?
Heartburn/ulcer/reflux/anythingelsetheygivepurplepillfor?
Someone tried to steal your kidney but had a poor knowledge of anatomy? If your bathtub was full of ice, I’m right.
I had one last year. Duuuuuuuuuuude! That’s all I have to say about that! :eek:
A lung infection.
Stake through the heart just before sunset?
OK- that’s come up in tw threads and I KEEP reading it as COSTCOhondritis-
a sort of reverse inflammation that makes my bank account smaller after I shop at Costco.
You must be one of those freakazoid types with reversed internal organs, because of course it’s your gallbladder.
after 14 hours I’m gonna go out on a limb and say amnesia.
Adrenaline shot to the heart?
Suspense-itis?
Dood, tell us you’re still alive!