Definition of bisect. transitive verb. : to divide into two usually equal parts. intransitive verb.
1 Muscle Pulls: Pulls of the muscles or ligaments in the chest and injuries to the ribcage may lead to right side chest pain.  Food Blockage: Blockage of the esophagus with food or beverages causes congestion, which can lead to pain in the right side of your chest.
Common causes of pain under the right rib cage are gallstones or gallbladder infection, kidney stones, liver disease, appendicitis, or gas. Pains in your chest could be connected with pneumonia, injury to a rib or chest muscle, or inflammation in your breastbone.