Less-Threatening (But Bothersome) Causes The following are less-serious causes of pain under the left rib cage. Kidney Stone A kidney stone is a solid mass formed in the kidney. It often causes ...

Rib cage pain, especially in the upper ribs ... pain on the right side felt under the lower ribs is sometimes a sign of preeclampsia or HELLP syndrome, a medical emergency. Rib stress fractures ...

Discover the critical signs of liver problems you shouldn't ignore, plus expert advice on prevention and treatment options ...