What is the cause of pain in the lower side of the left rib of the body

The pain on the lower side of the left rib can be considered as suffering from costal cartilage inflammation or intercostal neuralgia, herpes zoster, osteoporosis, pancreatitis, stomach malignant tumor, etc. If there is a previous experience of overeating, it is considered to be pancreatitis; if it is pain along the intercostal nerve, it is considered to be intercostal neuralgia.