THORAX ABDOMEN AND PELVIS

Detailed explanation-1: -In the supine position, the long axis of the spleen is in line with the tenth rib, but in the upright position it is more vertical. Its extreme or superior angle lies approximately 4 cm from the tenth thoracic spine and its lateral border at the mid-axillary line in the ninth intercostal space.

Detailed explanation-2: -Normally, a developed spleen lies in the upper left quadrant in parallel with the long axis of the 10th rib.

Detailed explanation-3: -The spleen is a fist-sized organ found in the upper left side of your abdomen, next to your stomach and behind your left ribs.