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. 2021 Jul 16;6:61. doi: 10.1038/s41525-021-00226-4

Fig. 1. Subtypes of cutaneous squamous cell carcinoma.

Fig. 1

Each vertical bar corresponds to a single tumor. Top track: The mutation burden (mutations per megabase) of each tumor. Middle track: The fraction of mutations within each tumor matching the canonical UV radiation signature. Bottom track: The fraction of mutations attributable to established mutational signatures within each tumor. The proposed etiology of select signatures is indicated. XP = tumors from patients with xeroderma pigmentosum, Sporadic = tumors from patients with no known comorbidities, immunosuppressed: tumors from immunosuppressed patients—this group is further stratified by the usage or absence of azathioprine as an immunosuppressive drug, RDEB = tumors from patients with recessive dystrophic epidermolysis bullosa.