IL6 and melanoma: Among melanomas, in situ lesions showed 11.39 ± 9.47pg/mL IL-6 serum compared to 6.43 ± 5.61pg/mL for invasive lesions (p=0.08), with similar concentrations to int-IL-6 (14.50 ± 1.90 vs. 14.23 ± 0.70pg/mL, p=0.6).