Her family says Franklin, who just turned 76 in March, is in a "gravely ill" state and they are now preparing for the worst.
The Queen of Soul was in Detroit surrounded my friends and family preparing for her death, Showbiz 411 reported.
"I am not one to do a lot of talking about my personal health or business", she said.
In 2010 she underwent surgery for a tumor, but later disputed reports that she had been diagnosed with pancreatic cancer.
Yahoo Entertainment has contacted Franklin's representatives for comment.
Aretha's last public appearance was in November 2017, when she performed at a benefit in NY to mark the 25th anniversary of Elton John's AIDS Foundation. Her father was once the minister at Detroit's New Bethel Baptist Church.
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"I left Manchester City at the end of last season in a good place and I wanted to pick up where we left off". He's settled really quick, as if he's been here longer than two weeks.
Last year, after postponing a June concert at Ravinia due to health issues, Franklin returned in September for what one newspaper report called a "dazzling" performance.
In 2002, her eldest sister Erma died of throat cancer. I feel very, very enriched and satisfied with respect to where my career came from and where it is now'.
During her incredible career, the soul star has gained 17 Grammy awards, three special recognition prizes and a Golden Globe.
She revealed she planned to keep recording but confirmed it would be her a year ago in concert.
The legendary artist has had over 20 number one singles in the USA and won the Grammy for Best R&B Vocal Performance eight years in a row - from 1968 to 1975 and in 1987 she was the first woman to be inducted into the Rock and Roll Hall of Fame.