There are two basic kinds of medical test results: 1  Tests that give yes or no answers (usually used for diagnostic purposes) 2  Tests that give relative results, as in measuring something to be higher or lower, bigger or smaller than before, or inside or outside a normal range.
[edit on Wikidata] A melanocytic nevus (also known as nevocytic nevus) is a type of lesion that contains nevus cells (a type of melanocyte). Some sources equate the term mole with melanocytic nevus. Other sources reserve the term mole for other purposes.
Category 3 = severe atypia, melanoma in situ arising in a nevus. This congenital nevus, measuring approximately 5 mm, was located on the patient's upper chest. This is a junctional nevus, meaning that it is at the junction of the dermis and the epidermis.