A 32-year-old man undergoes a laparotomy for multiple organ injury resulting from trauma. He is discharged after 2 weeks in the hospital, only to be readmitted 3 days later because of abdominal pain and sepsis. The CAT scan shows an accumulation of fluid in the subhepatic space (Figure below). This space is likely to be directly related to an injury involving which structure?Subhepatic space; anterior view