From past one week I have a feeling like something is stuck in the throat like a foreign material or lump or extra skin in my throat. I have light pain in the back area of my chest region. I don't remember that I have swallowed something but I have annoying sensation in my throat. My symptoms : 1. Always feeling like something is stuck in my throat. 2. Pain in the back area of my chest region. Sometimes I have and sometimes I don't have 3. Excessive saliva. I don't have any problem while eating food or drink water or breathing.