Fig. 1From: Stent implantation into the tracheo-bronchial system in rabbits: histopathologic sequelae in bare metal vs. drug-eluting stentsGround sections (median, Richardson staining) of bare metal stents (a, b) and sirolimus-eluting stents (c, d) showing tissue proliferations around the stent struts (black) in a similar degree; mucus is obstructing the lumen of the stent in c Back to article page