Ok For the past 5-6 weeks, Ive had this Discomfort/stinging pain, on the left side of my chest right on my breast bone, then it started hurting on the left side right under my chest right where it would meet my stomach

if i crack my back or stretch to one side, the pain seems to come out more ( like i can feel it more)

I dont know what it could be? i went to the doctor and they took blood tests and a chest xray and they say everything came back negative?

I just dont know of any pulled muscles that last for 5-6 weeks.. but then again ive never really had one before

i dont know if this has anything to do with it, but instead of in the center of my stomach where it usually growls it not growls like in the top left corner right before my chest, kinda where the lower pain is.