hey all hope every1 has a very merry xmas and a happy new year................

hi i was wondering if any1 cud help me iamgoing out of my mind with panic last night i had this sharp shooting pain in my left rib i had this before but i cant help thinking i pulmory embolism not sure if spelt rgt?!
my ribs r sore left side same with my back on the left side.... i hav been on google all day trying to find out what it can be other than a blood clot in my ling which is what i think it is............any suggestions will b grateful x