The hardest part was the waiting.I was at the hospital, prepared to be called into surgery for a procedure that would biopsy some small lesions on the lining of my bladder. I had been told to start fasting at 9:30 a.m. (as the procedure was to be done under general anesthesia) and to arrive at the medical center by 1 p.m.I wasn't taken into surgery for another seven hours, by which time I was hungry, weak, and frustrated. No one on the staff could – or seemed to be willing to – find out when