“…Immunohistochemical staining was performed using the standard technique (Strojnik et al, 1999;Strojnik et al, 2005). The staining for markers was scored separately for the tumor cells, the endothelial cells, and/or the macrophages, as described previously (Strojnik et al, 1999;Strojnik et al, 2005;Strojnik et al, 2007;Strojnik et al, 2009). IHC staining was performed for various marker including cathepsins B and L, nestin, musashi, CD68, kallikrein 6 and Ki-67.…”