Gov. George Pataki remained hospitalized Monday nearly a week after undergoing a surgery to correct a postoperative complication related to an emergency appendectomy. Pataki, 60, continued eating some food Monday but also remained on intravenous nutrition and antibiotics to reduce the risk of an abscess... `The governor's doctors have indicated that there has been a slow return of normal digestive function because of the ruptured appendix,'' ... Pataki was originally to be released two days after the Feb. 16 appendectomy. ``The governor continues to be in good spirits and is reading, walking around and conducting state business,'' ...