Thoracotomy 

surgical procedure in which a cut made is made between the ribs to see and reach the lungs or other places in the chest or thorax

i just did a thoracotomy on this guy's chest

Thoracotomy by anonymous March 9, 2022

12-Gauge Thoracotomy 

The act or result of blowing someone's chest open with a shotgun.

"If any of those fools come through the door, I'm gonna give them a 12-Gauge Thoracotomy!"

12-Gauge Thoracotomy by Big Dick at Nick January 13, 2022