The spleen projects onto the left side and back in the area of ribs IX to XI (Fig. 4.184). The spleen follows the contour of rib X and extends from the superior pole of the left kidney to just posterior to the midaxillary line.
Fig. 4.1 Abdomen. A. Boundaries.
B. Arrangement of abdominal contents. Inferior view.
Fig. 4.2 The abdomen contains and protects the abdominal viscera.