Hi was diagnosed with throat cancer about two years ago was getting it burnt out every two to four weeks missed last treatment as had a chest infection now waiting for a stent as having difficulty swallowing sometimes I get a bad pain I chest when eating things feels like trapped wind last time was almost sick but it was only clear frothy liquid that came up and pain went away does anyone know if this is normal as waiting on appointment for my stent should I contact doctor or just wait on hospital appointment and speak to them about it