Help Keep Our Kitty Babies Healthy

Hi,
I'm Spike. A lovable chubby black kitty. A rescue cat, I am six yeas old and enjoy long naps in my human's lap, tossing around toy mice, and closing the bedroom door on my little sister. My humans took me in for a checkup last week. Waning to get a good view of what is going on with my heart and lungs, the nice veterinarian took some x-rays. The x-rays showed a grey mass but they were not sure what it was. 
So my humans took me in get it tested. While in the corner I had hidden myself in, I listened in as the nice doctor talked about testing options and costs and all those things the humans worry about. I know my humans are struggling right now, and I don't want them worrying about me. 
Humans all over are having a rough time right now and I think we need more cats in the world to help care for them. 
So please help me out so I can stay a big, strong kitty and keep my favorite human's legs warm.
Thank You,
Spike - The Dragon Kitty