What Causes Shortness Of Breath With Cough And Enlarged Glands On Neck?

my name is diane I have been ill for 3 or 4 months. fatique, shortness of breath, cough, headaches, loss of appetite. ytwo weeks ago I was sent to the hospital and due to family history I went through test for a heart problem. everything ok last night I also found the glands in my neck are enlarged