One of the reasons why survival statistics for larynx cancer are better than for many other head and neck tumour sites is down to presenting clear symptoms at an early stage. In my case it was hoarseness that led to a speedy hospital check and diagnosis.
Recent evidence indicates there are other things to look for:
The article reporting the research findings is published in the British Journal of General Practice and so will hopefully be widely seen by GPs.
It is important that literature produced to raise awareness of the public about early signs of cancer is updated to reflect this news as well.
The research paper is here BJGP