Am I Mental, Or Could There Be Something Seriously Wrong With Me?

It could be from a anxiaty disorder. I have the same things going on with me. I constantly think I am dying of cancer. My mom died at my age, and I think that is why. I first thougght I had lung cancer because I couphed up blood. Come to find out it was bronchitis. Then I found a lump on my testicals. Come to find out it was a syst. I am now looking at my urine for blood. The reason I said it could be anxiaty is because that is what the DR said it was for me.