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Cryptorchidism in a 39-year-old man with left flank pain. (a, b) Axial contrast-enhanced computed tomographic (CT) images show lack of a left spermatic cord (arrow in b) and an anterior pelvic mass (arrow in a), proven to be seminoma in an undescended left testis. (c) Axial contrast-enhanced CT image 6 months later after chemotherapy shows a reduction in the size of the mass (arrow).
