Other general indicators such as the albumin , hemoglobin , total bilirubin , blood urea nitrogen , serum creatinine , serum potassium and serum sodium , revealed no statistical differences in the @ groups ( P > @ ) ; The total lymphocytes , CD ( + ) @CD ( + ) @ and CD ( + ) @CD ( + ) @ lymphocytes in PN group was ( @ @ ) @ ( @ ) / L , ( @ @ ) @ ( @ ) / L , and ( @ @ ) @ ( @ ) / L respectively in post-operation day @ , which they are significantly decreased than in preoperational levels of PN group and the respective counterpart of EN group in post-operation day@ ( t = -@ -@ , P < @ ) .