<unk>  is air or gas in the abdominal (peritoneal) cavity, often seen on x-ray, but small amounts are often missed and CT is nowadays regarded as a criterion standard in the assessment of a<unk> ..
Pneumoperitoneum
Hemoperitoneum
Splenic rupture
Acute abdomen
Peritonitis
Retroperitoneal hematoma
Secondary peritonitis
Pneumobilia