For patients with descending large colon cancer, the main dose-limiting structure for acute and chronic side effects is the:

Based on this image, at what level in the thorax is this image obtained?

Radiation therapists are responsible for monitoring their patients while under treatment. Which of the following would not be a specific effect from radiation?

Primary and metastatic brain patients are given corticosteroids to reduce inflammation fo their cancer. What would be a corticosteroid that would be prescribed? 

Portal imaging is considered mandatory not only as a good clinic practice but as a

As the energy of a megavoltage beam increases, the distance between the surface and the depth of the maximum dose increases, this gives rise to what is known as

The most common pathology for patients presenting with breast cancer is  

The type of contour that runs across the patient from left to right and sections the body into inferior and superior portions:

The following is a true statement about a 20 MV beam? 

In the transverse and sagittal plane, the esophagus is located