Primary signet-ring cell carcinoma of the urinary bladder
Primary signet-ring cell carcinoma of the urinary bladder is a rare tumor.The overall incidence is approximately 0.12-0.6% of all urinary bladder malignancies.The majority of the patients present in an advanced stage read more with a uniformly grim prognosis.As signet-ring cell carcinomas are more common in the gastrointestinal tract, a possibility