Dutch word prostaatkanker comes from Dutch kanker, Dutch prostaat (Prostate.)

Detailed word origin of prostaatkanker

Dictionary entry	Language	Definition
kanker	Dutch (nld)	(medicine, oncology) cancer. (offensive intensifier) Something incredibly bad, poor or annoying.
prostaat	Dutch (nld)	Prostate.
prostaatkanker	Dutch (nld)	Prostate cancer.