Complex kidney cyst I’m freaked

I don’t have a cancer diagnosis, but 2nd ultrasound on a kidney cyst in a year shows it grown and some nodules or calcifications. The radiologist recommended rescan in 6 months, but my doc is sending me to a urologist. I appreciate that because I suffer from anxiety and this has sent me into a vortex of worry. Everything I’ve read tells me that it should be okay. That even if it is cancer, it’s early and the prognosis is good. But my mind takes me to the worst case scenario - that the ache in my leg is bone cancer, the cough is lung cancer, the headache is brain cancer. For years I‘ve been terrified of the “c” word. I’ve been through procedures for pre-cancerous cervical dysplacdis, pre-cancerous colon polyps and now this. You’d think having had scares before that I would be optimistic, and logically I am. But I have this sense of foreboding and dread that this is the time I don’t dodge the bullet. That there’s this thing lurking in me. It’s terrifying.