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. https://doi.org/10.4081/ByblioLab.2013.1.