There are also postoperative complications such as the pulmonary diseases pneumonia, pleural effusion, atelectasis, hepatotoxicity and renal disorders caused by anesthesia, mechanical obstructions and obstructive ileus which might explain increased CEA levels in the post-operative phase even when there is no evidence of local or distant relapse.
Hay también complicaciones postquirúrgicas como las pulmonares neumonía, derrame pleural, atelectasia, hepatotoxicidad y trastorno funcional renal por anestesia, obstrucción mecánica o ileus que pueden explicar el incremento postoperatorio de los niveles de ACE, sin evidencia de recaída local o a distancia.