about a month ago i woke in the night with a sick 'taste' in my throat - when i woke in the morning it had gone - however, since then, on and off, i have had a wierd feeling bang in the middle of my chest ( literally the bone between my breasts) as though there is 'something' there - no pain at all, just a feeling i want to get rid of it.  I am a 42 year old female, have never suffered from even indigestion before but now wonder if this is the beginning of acid reflux - which my mum gets. I have never been able to belch either but that's what i feel i want to do to get rid of this 'thing' . Any suggestions welcome - am sat here now aware of this 'feeling' every time i swallow. I suppose i am also worried that it could be something more sinister such as oeseophagal cancer