Is prostate removal surgery considered major surgery?

Yes, but... Yes, it's major; the one for prostate cancer is definitely big and that for obstructive urination, less but still takes 3-6 months to completely heal ; resurface the large internal raw surface. But, with the refined professional skills and advanced technology, the expected surgery-related suffering ; pain as well as its outcome has been better accepted than ever. More detail? Ask doc timely.