NCIt definition : A report that provides a description of the gross and microscopic examination of the
specimen and is used to make a diagnosis and to determine treatment. It defines which
structures and organs of the body are involved by the tumor, verifies the primary
site of the cancer and describes the extent to which it has spread.;
Alternative definition : NCI-GLOSS: The description of cells and tissues made by a pathologist based on microscopic
evidence, and sometimes used to make a diagnosis of a disease.;