Hepatic lobectomy is now an accepted procedure in the treatment of neoplasms. We are reporting this case because of the youth of the patient and the technique employed in removing the entire left lobe and a portion of the right lobe of the liver. REPORT OF A CASE W. W. a white, full term boy, weighing 8 lb. 4 oz. was born on March 17, 1954. The delivery was normal, and the baby's color was good. However, Dr. R. D. Arnold, the obstetrician, noted a mass in the abdomen which was firm and only slightly movable. Within six hours after delivery there was a decided change in the infant's appearance. He became pale and cyanotic; petechial hemorrhages were present on the face, and the abdominal tumor had enlarged and softened and occupied the entire epigastrium but was more prominent on the left. Breath sounds were normal and the heart was