3-year-old Boy in Pediatrics — 3yo Child | Pediatric Heme/Onc | SMLE Q#7174
SMLE Question #7174
Pediatrics
Pediatric Heme/Onc
Objective: OBJ-153
Last updated: February 2026
A 3-year-old boy is brought to clinic after his mother noticed a painless swelling in the left flank. Over 3 weeks, it has gradually increased in size. Examination shows a firm, smooth, non-tender left flank mass that does not cross the abdominal midline. There is no fever, weight loss, or night sweats. What is the most likely diagnosis?
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