Leroy Satchel Paige was the longtime Negro League star who eventually received his due in the majors. He reportedly got his nickname working as a baggage porter in Mobile, Ala., where he became a satchel tree by carrying several bags at once. Satchel, the man, was literally ageless.
The diagnosis of AML requires the identification of 20% or more leukemic blasts in the bone marrow. Further analysis then must separate AML from acute lymphoblastic leukemia by showing evidence for commitment to the myeloid lineage.
I am very sorry to hear about your niece. My mother died of AML earlier this year. Every situation is different and unfortunately, no one can tell you with certainty how much time a person has before they die. My mother had 90% blasts days before she died.