 AML has several subtypes ; treatment and prognosis vary among subtypes . AML is cured in 35 – 40 % of people less than 60 years old and 5 – 15 % more than 60 years old . Older people who are not able to withstand intensive chemotherapy have an average survival of 5 – 10 months . 
 AML <a href='got' title='1'><mark>has</mark></a> several subtypes ; treatment and prognosis vary among subtypes . AML is cured in 35 – 40 % of people less than 60 years old and 5 – 15 % more than 60 years old . Older people <a href='null_relcl' title='2'><mark>who</mark></a><a href='negative_concord' title='3'><mark>are</mark></a> <a href='negative_concord' title='4'><mark>not</mark></a>able to withstand intensive chemotherapy <a href='got' title='5'><mark>have</mark></a> an average survival of 5 – 10 months . 
AML got several subtypes ; treatment and prognosis vary among subtypes . AML is cured in 35 – 40 % of people less than 60 years old and 5 – 15 % more than 60 years old . Older people ain't able to withstand intensive chemotherapy got an average survival of 5 – 10 months .