Introduction: Liver surgery is a relatively recent and relatively major complex surgery, due to the anatomical and histological specialty of the liver. Objective of the research: To evaluate the results of the cases of non traumatic liver resection from November 2010 until the end of June 2017 The study included 23 patients with 61% of females and average age of 46.8 years. 30.43% of the cases were benign lesions, while malignant lesions constituted 65.12% of all patients. The highest percentage of lesions was of colorectal tumors with 66.66% of all metastatic patients and 43.47% of all patients. Whereas hepatocellular carcinoma HCC were only in 4.35% of all patients The most common surgical procedure was segment resection. The left or right hemi hepatectomy was in two cases, 8.7% None of the patients had any complications which requiring a reoperation. Biliary fistula occurred in two cases, one of which was administered conservatively, the other requiring ERCP.