metastasize

metastasoida puhekieltä To spread to other sites in the body; to undergo metastasis.
1989, Margaret Atwood, Cats Eye'':

On other screens are closeups of skin pores, before and after, details of regimes for everything, your hands, your neck, your thighs. Your elbows, especially your elbows: aging begins at the elbows and metastasizes.

‘Your lump could be a secondary cancer metastasized from the bowel. I had a patient like that not long ago.’