article_metadata: Juan Bai Bin Liu Taoming Liu Jianjun Qiao Hong Fang
article_metadata: 10.3389/fonc.2021.669754
article_metadata: Front Oncol
article_metadata: 2021 Jun 17;11:669754.
article_metadata: atrophic bluish-black dermatofibrosarcoma protuberans pigmentation sarcoma
article_metadata: CC BY
article_metadata: https://pubmed.ncbi.nlm.nih.gov/34221984/
article_metadata: Case Reports
article_metadata: PMC8245761
article_metadata: 34221984
article_metadata: Atrophic Pigmented Dermatofibrosarcoma Protuberans: A Case Report and Literature Review
article_metadata: 2021