I'm in ca. Real I'll and having my leg cut off. Can my landlord hold me to have to give him a 30 day notice?

Having leg amputated and will now need to be in an isted living home. But my landlord says that I still need to give him 30 day notice. I'm in california. Very I'll and need my dep. Back. Do I still need to give 30 notice if it's a medical reason? I don't know the law. Than