<prompt> True about indication of celliotomy in blunt traumaPeritoneal air on imagingGrade I spleen damageGrade II liver damagePatient with positive diagnostic lavage  <response>: Laprotomy is also called celiotomy. Indication for laprotomy in blunt trauma include signs of peritonitis, evisceration, clinical deterioration during observation in the presence of hemodynamic instability as DPL or FAST examination consistent with hemoperitoneum. Peritoneal air on imaging is a sign of peritonitis and hence an indicaton. Reference: Greenfield;s Surgery- Scientific Principles and practices, 5th edititon, Page no: 390-391 