My mother inlaw got operated for mouth cancer last year when cancer was in first stage. As per Doctor it's fully cured now but her mouth got little distorted and one can easily identify from face that her mouth has been operated and plastic surgery has been done.
We would like her and my father in law to visit US and stay with us for few months. Please advise what all docuements we should have with respect to her disease to make sure they get Visa with out fail.
Please help us!!