I am 35 & was informed on a ct scan that i have a periaortic 13mm lymph node & 6mm "low density" lesion that they are saying is a cyst. i had 2 ct scans 5 months apart & the node remained the same size. am i going to die? i am freaking out?

Bad news. We are all going to die someday. ;-). Dr. humor. But I do not have enough information to make any projections for you. Only your Drs can do this. But remember as Yoggi Berra Said: It is difficult to make predictions, especially about the future. Cysts almost never kill. But discuss with your team again who have the data to help with such projections.

If it was neoplasticism your physician would have suggested removal. I think you are over reacting as I believe that you have nothing to worry about. Good Luck