Pretty much every medical organization has told men to back off on screening for prostate cancer, because it can lead to unneeded treatment, including surgery that can leave a man incontinent and impotent. But it's hard to resist a robot. Men who have been diagnosed with low-grade prostate cancer increasingly choose expensive newer treatments including robotic surgery and a radiation treatment called intensity-modulated radiotherapy, or IMRT, even though they are not likely to benefit from those treatments, according to a in JAMA, the journal of the American Medical Association.