I had emergency surgery for a meningioma which bled, a stroke. And 2-3 days in a neuro ICU. After that, the recovery was easy and remarkably pain free. From my experience, I recommend that you have someone monitoring not only your physical state but day-to-day things that you handle for at least several months. I quickly was functional physically but some piece of my executive functioning mind (like paying the bills) needed more time to recover.