last Saturday I began having a gnawing type pain just below the breastbone that radiated mid sternum and to my back very bad spasming pain. After eating the pain subsided. However in the middle of the night the pain came back awakening me out of my sleep I took aspirin and tyenol together the pain went away, not as intense as Saturday but I notice the pain when I'm hungry and after eating the pain subsides. I've never experienced anything like this before. I am a 58yo female. I'm very active, exercising at least 4 times a week, during weight training and cardio.