Intermittent Stiffness In Neck, Lump On The Back Of Neck, Pain On Moving Head With Sore Throat And Loss Of Voice. Signs Of Tumor?

I have had a stiff painful neck on and off for a few weeks now - i thought it was tension made worse by bad sleeping habits but its getting worse and too painful to look over my shoulder - i have also as of yesterday had a sore throat and today have lost my voice completely and noticed this morning a lump in the back of my neck, in the nape . I am all worked up that its a tumour and have young on set parkisons disease as it is...