You still haven’t explained why the cancers cells found in Egyptian mummies aren’t really cancer.
If you knew anything at all about cancer, you would know that a biopsy is the only way to determine whether a cyst is cancer, and a biopsy can only be conclusive on a living culture.
A dead cyst is a dead cyst. Probability of any particular cyst being malignant is about 1:100,000. You probably have hundreds of basal cysts on your body right now.