Doctors say it will take that long to get biopsy results from a tumour in his abdomen.
Ford was admitted to hospital on Wednesday after complaining for months about abdominal pain that finally became "unbearable."
Doctors said on Thursday that he's already gone through several tests, including a CT scan and ultrasound.
Dr. Zane Cohen, an internationally recognized colorectal surgeon at Mount Sinai Hospital, says the mayor has some pain but has been given painkillers and is "resting comfortably."
Ford, 45, whose crack cocaine scandal and antics in office have made him the world's most infamous mayor, has yet to say whether he'll continue his campaign for re-election.
He has until 2 p.m. eastern today to withdraw his name from the ballot should he decide to do so, while any new candidates have the same deadline to file their papers.
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