I JUST HAD SEVERE PAIN IN MY UPPER STOMACH RIGHT

I JUST HAD SEVERE PAIN IN MY UPPER STOMACH RIGHT UNDERNEATH MY BREAST AREA THAT LASTED ABOUT AN AREA. THE PAIN WAS SO BAD I ALSO HAD PAIN IN MY BACK. I ALSO FELR LIKE I COULDN'T BREATHE....BUT AFTER ABOUT AN HOUR IT SUBSIDED. WHAT COULD IT BE? SOMETHING i NEED TO GO TO THE HOSPITAL FOR?
THANK YOU