As the energy of the photon beam increases, the maximum dose region

Extra Credit: Localization is defined as

Intrafield distance is referred to as

Tissue tolerance is dependent upon the _____________ of the organ irradiated.

The histopathology of most anal cancers is

During a pre-treatment evaluation of a patient to be prescribed radiation therapy, the doctor orders lab values because simulation will be performed using iodinated contrast media. The doctor orders labs for BUN and creatinine. What is the doctor evaluating?

You are treating a lumbar spine metastasis from the patient’s lung cancer on an Elekta linear accelerator with a calculated SSD of 100 cm.  The patient is able to lay prone. She begins treatment on Monday, May 24. The doctor has ordered 14 fractions to a total dose of 3500 cGy.  The doctor orders that the patient be treated non-isocentrically.  Her AP/PA separation is 36 cm.  The spine lesion is 7 cm from her posterior aspect.  May 31 is Memorial Day and the cancer center is closed, there will be no treatments that day. What is your patient’s dose equivalent cumulative dose on 5/31?

The hypogastric nodes are also known as the

The epiglottis

Digitally reconstructed radiographs are generated from