A set of exposures delivered or intended to be delivered to a PATIENT in the course of one visit to a radiotherapy room. The HELD OR CANCELLED indicator records those fractions for which appointments have been made, but which did not take place.

Note: For technical reasons the RADIOTHERAPY MACHINE TYPE actually used for each EXPOSURE may differ from that indicated when the fraction was planned.

This class is also known by these names:

Context Alias
plural FRACTIONS