Hello there,,,,did you mean left rib cage pain and swelling?
There can be many reasons for it....
Did you fell down sideways or had blunt trauma to your ribcage?
Sometimes swelling of pancreas and spleen problems also cause pain in the left side of rib cage n back.
Next Steps
x-ray- left rib cage
blood test
urine test
sonography examination.
Health Tips
visit to MD(physcian) or Gastroenterologist
if there is no trauma to ribcage and xray is normal.