The patient's wife posted this image in the whatisit subreddit, where I learned that this is a modern xray marker. I spent 30 years reviewing chest xrays, and back in the previous century the xray markers were less elaborate. Classically the orientation was indicated with a lead "R" or "L" (or full word "LEFT") -
- sometimes with a movable pellet inside to indicate upright, supine, or decubitus positioning...
Nowadays apparently the standard is to have the xray technician's initials incorporated into the marker, which the technician can (?has to) buy from sites like Etsy -
You learn something every day - even stuff you thought you knew.
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