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We report an unusual case of simultaneous transitional cell carcinoma of the renal pelvis and distal ureter without transitional cell carcinoma of the bladder occurring after chronic cyclophosphamide therapy for nonHodgkin's lymphoma.
 adverse event: after 
Please tell me event type and its trigger word from given type options. Output format is "type: trigger".  Option: adverse event, potential therapeutic event 
Text: {0} 
Answer:
 adverse event: after 