Genitourinary (GU) cancers refer to the cancers which occur in the urinary system and the male reproductive system. The main parts of the urinary system are urethra, kidneys, ureters and bladder. There are various types of GU cancers such as kidney cancer, bladder cancer, prostate cancer and testicular cancer. The diagnosis of these cancers can be done by performing tests such as medical imaging and biopsy. Patients of GU cancers require special care and medication. Surgery, radiation and chemotherapy are some of the major treatment options for GU cancers. This book strives to provide a fair idea about genitourinary cancers and to help develop a better understanding of the latest advances in their clinical management. It also aims to shed light on some of the unexplored aspects related to their molecular pathogenesis. A number of latest researches have been included to keep the readers up-to-date with the global concepts related to this medical condition.