Comment to: Great saphenous vein diameter at the saphenofemoral junction and proximal thigh as parameters of venous disease class, by Mendoza E, Blättler W, Amsler F. Eur J Vasc Endovasc Surg 2013;45:76-83. Veins & Lymphatics. 2013;2(1):1. doi:10.4081/ByblioLab.2013.1