You're never too old. Surgery on patients of 80, 90, and up? It's gaining acceptance.
Avery
A
Comarow
D000367:Age Factors; D000368:Aged; D000369:Aged, 80 and over; D005260:Female; D006801:Humans; D008297:Male; D013514:Surgical Procedures, Operative / Q000009:adverse effects / Q000706:statistics & numerical data*; D014481:United States