There are no internal organs lateral to the ribs. The arms are lateral to the ribs.
pancreas
There is a kidney and the liver is on the right side.
diaphragm
stomach
Stomach is located on left, just below the bottom rib. Heart is located on left side, and higher than the stomach.
liver lungs heart kidney are behind it and in between each rib are intercostal spaces and muscles
Growing Pains perhaps depending upon your age.
possible broken rib
Missy Peregrym's tattoo is of a quote on her right side rib.
it was the right rib.
rib cage
Splenic trauma is physical injury to the spleen, the lymphatic organ located in the upper left side of the abdomen just under the rib cage.
Well, kidneys, and that's about it.