Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Examples of clinical target volumes (CTVs). (a) A coronal computed tomography slice illustrating CTV_whole bladder in brown, CTV_pelvic lymph nodes in green, CTV_tumour bed in red and CTV_involved lymph node in blue. (b) A sagittal computed tomography slice showing CTV_whole bladder and CTV_pelvic lymph nodes.
