Dog: Thorax. Fibrinosuppurative pleuritis (pyothorax) with foreign material, secondary to esophageal perforation.

Dog: Esophagus. Esophageal foreign body with perforation.

Dog: Esophagus. Esophageal foreign body with perforation.

Dog: Esophagus. Necrotizing esophagitis and perforation secondary to esophageal foreign body.