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Association between primary tumor type and survival in patients with melanoma. Kaplan-Meier curves of clinical progression-free survival (cPFS) (A) and overall survival (OS) (B) among patients with melanoma stratified according to primary tumor type: cutaneous (n=183, blue line), mucosal (n=28, green line), unknown primary (n=20, red line), acral (n=18, purple line). Log-rank tests were p=0.0337 (cPFS) and p=0.0186 (OS). Tick marks indicate censored patients.
