Prostatic stromal tumor of uncertain malignant potential presenting as a huge bladder mass： an unusual case

Dear Editor, We describe a rare case of prostatic stromal tumor of uncertain malignant potential （STUMP） presenting as a huge bladder mass. Based on the previous literature, prostatic STUMP has a low incidence of morbidity. To the best of our knowledge, this is the first report of prostatic STUMP presenting as a huge bladder mass.