Which lesion can be observed in the image?

• Duodenal intussusception (arrow) and ulceration of the gastrointestinal serosa (asterisk).
• Fibrinous-heamorrhagic peritonitis (arrow) and ecchymosis in gastrointestinal serosa (asterisk).
• Hemorrhagic gastrohepatic lymphadenitis (arrow) and petechiae in gastrointestinal serosa (asterisk).