Joe Jackson Doing 'Extremely Well' After 'Mini-Stroke,' Son Says

Jermaine Jackson tweeted that his father was recovering in Brazil

Jermaine Jackson said that scans of his father's brain indicated that the damage was "not as bad as feared," he wrote on his verified account.

We owe a huge debt of gratitude to the wonderful surgeons, doctors and nurses at the Albert Einstein hospital in Sao Paulo. — Jermaine Jackson (@jermjackson5) July 28, 2015

Joe Jackson had been in the country for his 87th birthday celebration and was set to leave Brazil on Tuesday, the AP said.

He had been hospitalized in intensive care, the hospital said, according to the AP.