The doctors knew Robert has prostate cancer based off of his biopsy. Why would they bother doing an ultrasound? What important information can be gathered from an ultrasound that cannot be gathered by a biopsy?
Robert has a TNM score of T3, N1, M0. What does that mean? His cancer is classified as stage 2. What does this mean?
Now that you know Robert has prostate cancer, explain why Robert experienced fatigue, problems urinating, and problems ejaculating.