Robuta

https://dermnetnz.org/cme/lesions/benign-melanocytic-lesions
Common skin lesions. Benign melanocytic lesions. Authoritative facts about the skin from DermNet New Zealand.
skin lesionscommonbenignmelanocytic
https://www.news-medical.net/health/Types-of-Acquired-Melanocytic-Nevi.aspx
Acquired melanocytic nevi are clumps of melanocytes which originate in childhood but usually manifest during the prime of life, in individuals in the 30-40...
melanocytic nevitypesacquired