 Pain, which is a combination of somatic nociceptive pain due to the retroperitoneal invasion, as well as a neuropathic component from pelvic and nerve involvement by the surgery as well as radiation therapy and disease itself. 
Pain , which is a combination of somatic nociceptive pain due to the retroperitoneal invasion , as well as a neuropathic component from pelvic and nerve involvement by the surgery as well as radiation therapy and disease itself .