NCIt definition : A general term that refers to a TNM finding of a primary tumor limited to the site
of growth. The definition of T1c TNM finding depends on the specific type of cancer
that it refers to; for example, for breast cancer it refers to a primary tumor that
is more than 1.0 cm, but not more than 2.0 cm in greatest dimension; for uterine corpus
cancer it refers to a primary tumor that invades one-half or more of the myometrium;
and for melanoma of the iris it refers to a primary tumor limited to the iris with
secondary glaucoma.;