This article is a letter to the editor in response to a previous article about a case of mixed epithelial and stromal tumor (MEST) in a patient with end-stage renal failure. The authors report a unique case of MEST in a young male patient with a non-functional kidney. They describe the patient's symptoms, diagnostic findings, and treatment. The authors highlight the rarity of MEST in young males and the unusual features of their case, emphasizing the need for further research to better understand the disease. [Extracted from the article]