What Does Sore, Tender And Burning Sensation Above Breast And Arm Mean?

I HAVE BEEN HAVING SORENESS AND TENDER TO THE TOUCH AND MILD BURNING SENSATION IN THE AREA ABOVE MY LEFT BREAST AND ALSO IN MY UPPER LEFT ARM AND SOMETIMES I WILL HAVESHORT PAINS (FEELS LIKE MUSCLE PAIN) IN THE AREA ABOVE MY LEFT BREAST, THE BURNING SENSATION IS BECOMING MORE CONSTANT