 Under direct vision 1 was inserted in the right upper quadrant at the midclavicular line, at a right supraumbilical position; another at the left upper quadrant at the midclavicular line, at a left supraumbilical position; 1 under the right costal margin in the anterior axillary line; and another laterally under the left costal margin on the anterior axillary line. 
Under direct vision 1 was inserted in the right upper quadrant at the midclavicular line , at a right supraumbilical position ; another at the left upper quadrant at the midclavicular line , at a left supraumbilical position ; 1 under the right costal margin in the anterior axillary line ; and another laterally under the left costal margin on the anterior axillary line .