How is frailty defined? What does it mean to be fit, intermediate-fit, frail?

How is frailty defined? What does it mean to be fit, intermediate-fit, frail?
What are hypomethylating agents and when are they used?
BETA - What is the difference between seeing a specialist versus a general oncologist?
What are the main drug classes used in treating AML?
BETA - How is smoldering multiple myeloma (SMM) stratified?
What is targeted therapy and what drugs fall into this category?
(Guest Lecture): Budgeting Workshop Paying for the Costs of Cancer
Is it common for a general oncologist to refer to an AML specialist?