<prompt> Most constant and persistent feature of Ca bladder is:Increased ferquencyHaematuriaRecurrent UTIPain Abdomen  <response>: Hematuria is the presenting symptom in 85-90 of patients with bladder cancer. It may be gross or microscopic, intermittent rather than constant.Symptoms of vesical irritability are IInd most common symptoms. These are -frequency, urgency, dysuria.Pain secondary to clot retention, tumor extension into retroperitoneum or ureteral obstruction or metastasis to bony pelvis may rarely occur. 