NCIt related terms : secondary cancer; Secondary Malignancy; Secondary malignant neoplasm of unspecified site; SMN;
NCIt definition : A malignant neoplasm that arises from a pre-existing lower grade lesion, or as a result
of a primary lesion that has spread to secondary sites, or due to a complication of
a cancer treatment.;
Alternative definition : NCI-GLOSS: A term that is used to describe either a new primary cancer or cancer that
has spread from the place in which it started to other parts of the body.;