Compared the effects of Sodium bicarbonate Ringer's solution and lactate Ringer's solution on the internal environment and hemodynamics of patients during laparoscopic liver resection, to observe the application prospect of sodium bicarbonate Ringer's solution in Laparoscopic hepatectomy.
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lactic values
Timeframe: From date of randomization until the date of first documented progression or date of death from any cause, whichever came first, assessed up to 1 month.