Rib cage:

Rib cage is a set of curved bones that surround the lungs and the heart and protect these organs from external damage.

Organs located on the left side of the body below the rib cage :

Organs on left side of body below the rib cage are, smaller lobe of the liver, spleen, pancreas, stomach, left adrenal gland, left kidney, left ureter, left Fallopian tube (female), left ovary (female), left testis (male), the descending colon, sigmoid colon, rectosigmoid colon, and the rectum are all on the left side of the body underneath the rib cage.