there were 27 additional complications in 24 patients : respiratory problems ( 8 ) , arrhythmias ( 5 ) , pleural effusion ( 4 ) , gastric outlet obstruction ( 2 ) , wound infection ( 2 ) , and 1 each of pulmonary embolus , acute brain syndrome , congestive heart failure , myocardial infarction , chylothorax , and empyema .
C0032227
pleural effusion
C0008733
chylothorax