Fig. 1

Microphotographs of routinely stained gallbladder walls. (a) Note inflammatory cell infiltration in the subepithelium in the patient sample (arrow). Haematoxylin and eosin, ×200. (b) The adhesion site shows inflammatory cells intermixed with collagen fibre bundles (arrow). Haematoxylin and eosin, ×200. (c) Control image of the practically unchanged gallbladder wall; haematoxylin and eosin, ×400