PMC9708406_01
A supine abdominal X-ray upon presentation incidentally demonstrates a smooth, circular paraspinal mass at the level of the diaphragm (arrow).
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 In our initial evaluation, a plain abdominal X-ray ( Fig. 1 ) and contrast enema ( Fig. 2 ) were performed to assess the stool burden, a transition zone, and any bowel dilation.
A dedicated chest X-ray showing three masses annotated with circles and arrows.
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The abdominal film incidentally showed a rounded left paraspinal mass at the level of the diaphragm, prompting us to obtain a formal chest X-ray ( Fig. 3 ).