It means that someone was very sick, but they recovered after a long battle with illness.
He died due to a long-term illness he had.
she died of a long illness no one quite knows what it was
Terminal illness is a state of illness from which one is not expected to recover. The expectation is that the illness will take the person's life.
Ailment mean illness.
A sickness in the stomach
The length varies. I've had a chronic illness for 6 years and should grow out of it. Some are life long.
It refers to an illness that will take years off a life.
no
it means like a illness
Chronic illness is long-term illness, and temporary disability is short-term limited activity.
Illness then death