Years later, he signs up for a research study for some money. A thoracic CT scan is performed which shows some lung nodules. He is a lifetime nonsmoker.
He decides to go to a physician and gets a heat-damaged RBC scintogram, shown below.
The rest of his review of systems is negative. Other than the gunshot wounds, he's never been sick a day in his life.
Challenge: What's going on?
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