cf842907___Melanoma_Research_Foundation__Description
[Melanoma Stage] IIIA IIIB IIIC [Treatment Option] The tumor and lymph nodes that have cancer cells are removed surgically. Additional treatment(s) may be recommended. [Description] 
The tumor may be of any thickness. It may or may not be ulcerated. The cancer cells have spread either to a few nearby lymph nodes, or to some tissue just outside the tumor but not to the lymph nodes.
Stages of Melanoma Diagnosis | Melanoma Research Foundation
Description