Radiation for Brain Metastases
Fig. 1 Standard WBRT fields. Conventional opposed lateral fields are rotated slightly off-axis (RAO/LAO) (red/green) to create coplanar anterior field edges which do not diverge into the lenses. (a) Beam’s…
Laryngeal Carcinoma
Fig. 1 CT anatomy of the larynx. (a) Sagittal CT of the larynx. The pre-epiglottic space is anterior to the epiglottis and superior to the vocal folds. It is contiguous…
Canal Cancer
Location of primary tumor Draining lymphatics Distal anal canal, perianal skin, and anal verge Superficial inguinal lymph nodes Femoral nodes External iliac nodes Anal canal just proximal to dentate line…
Advanced Non-Small Cell Lung Cancer and Small Cell Lung Cancer
Fig. 1 Mountain-Dresler lymph node staging system (from Mountain and Dresler (1997), with permission) 2 Diagnostic Workup Relevant for Target Volume Delineation Target volume delineation for NSCLC is dependent on…
Adenocarcinoma
Fig. 1 Pancreas anatomy (Image courtesy of Corrine Winston, MD) The majority of pancreatic adenocarcinomas arise in the head of the pancreas, which lies anterior and to the right side…