boggy swelling left supraclacicular fossa.;

Hello all first time post in here 

my wife has had swelling on her left neck for months could have been over 4 or 6 months - 

dra referred her for scan but all we can see is all worry about it being cancer that has spread - 

we are just so full of worry and stress we even starting to think it’s worst and how do we tell our daughter