From an online vantage point, it would be impossible to say whether what you are feeling under your Adam’s apple is abnormal , but if you have new symptoms that concern you, a consultation with your doctor would be advisable.
I would caution that you should not assume a diagnosis of cancer, since these are common symptoms which in the vast majority of cases do not represent cancer.
Jul 2008 Wife Liz (51/never smoker) Dx Stage IV NSCLC EGFR exon 19
4 cycles Carbo/alimta, 65% shrinkage
Mar 2010 progression, added Alimta, stable
Sep 2010 multiple brain mets, WBR
Oct 2010 large pericardial effusion, tamponade
Jan 2011 progression, start abraxane
Jun 2011-New liver, brain mets, add Tarceva
Oct 2011-Dx Leptomeningeal carcinomatosis; pulsed Tarceva
At rest Nov 4 2011
Since then: http://cancergrace.org/blog/jim-and-lisa