Pathomorphology of the gallbladder after cholecystectomy shows that it is enlarged, its walls are thickened, its serous tunic is dull and plethoric; there are Viscous yellow-green masses in the gallbladder cavity. Microscopically, a diffuse inliltration of segmented neutrophils is observed in the gallbladder wall. What type of cholecystitis is the most likely in this case?