Recently, I feel like something stack in my throat whether I ate or not and would wake up with dry mouth and sometimes I would spit sticky brown phlegm and before this happen , I complain to my doctor that I feel like feces stuck in my rectum , they did a lot of test on me but cant find an answer, Sometimes I would have pain in chest and my tummy get really bloated and hard after I eat even a small meal, what is wrong with me?