Term Name:	melanoma in situ
Synonyms:	level I melanoma
Definition:	A potentially malignant lesion, melanoma in situ is the first phase of growth of melanoma, in which it is still confined to the epithelial domain (epidermis and adnexa) and has not passed through the basement membrane. (M-8720/2).
Ontology:	MPATH [MPATH:360]