Many cancers are "cured" in the sense that they're detectable and treatable. My grandmother lived 35 years longer than she would have by detecting breast cancer early and getting a mastectomy.

There is currently a $800 SOTA blood test that can detect most cancers before any symptoms. Maybe a decade until it's a routine part of your annual blood test?

Whole genome sequencing costed $2.7 billion in 2003. You can get it done today using a mailed kit for $400.

HIV went from death sentence to all-but-cured in 50 years.