Fig. 2From: Serum matrix metalloproteinase-13 as a diagnostic biomarker for cutaneous squamous cell carcinomaComparison of serum MMP-13 levels among different groups of patients. Panel a shows the comparative results among patients with different stages of cSCC. Patients with invasive cSCC or lymph node metastasis had substantially higher serum MMP-13 levels than those with cSCC in situ (panel b) or without lymph node involvement (panel c), respectivelyBack to article page