How are patient structures typically represented on a simulator film?

Patient structures on a simulator film are typically represented as magnified. This magnification happens due to the geometric configurations and the nature of the imaging systems used in simulation. By enlarging the anatomical structures, clinicians can see details more clearly, which is essential for planning precise radiation treatment. This clarity allows for better visualization of critical organs, tumors, and other important anatomical features, ensuring that the treatment can be accurately tailored to the patient's needs.

In contrast, if structures were reduced in size, it would lead to a loss of detail, which is not conducive to effective treatment planning. Overexposure would cause the radiograph to appear too dark, obscuring critical information that may affect the treatment plan. Unclear images could indicate poor quality or incorrect settings, hindering the dosimetry process. Hence, magnification is vital for enhancing details and ensuring accurate dosimetric assessments.