Good to hear she's at farber where are the tumors? Tongue and neck? Scarring is nothing when your Life is on the line... If the tumor is on the oral tongue and they offer surgery it's a good idea to Take it as oral tongue cancer is usually treated with this first then follow up treatment with rads an chemo. With three tumors rads is almost definite.
Write everything own including questions a bring your notebook when you go to appointments.
Our hospital has a system whereby they have a Card with your number and all appointments are computerized so they print out a List of all upcoming appointments each time you in - ask if h Mre something similar. Best of luck