One day after he quit as Yahoo Chief, Scott Thompson has cancer, reports indicate.

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Thompson, who Sunday stepped down from the top job at troubled Internet giant, Yahoo!, in a dramatic end to the controversy over a computer science degree his CV (and various company bio’s) claimed he held, later found not to be the case.

Thompson’s resume stated he held a bachelors degree in accounting and computer science – a credential that would definitely given him a leg up in the race for the top job at the search company – but in fact, it emerged this was a straight accounting degree.

Read: Fake Science Degree Nobbles Yahoo Boss

And after the drama, it now emerged the former Yahoo boss has thyroid cancer, reports WSJ.

This appears also to have been a reason for the 54 year old stepping down from the top job at Yahoo, although he denied any wrongdoing over the CV affair, and is believed to have cited “personal reasons” in his resignation to Yahoo!.

The mistake in the Yahoo! boss’ academic credential was uncovered by Yahoo hedge fund – and major shareholder – Third Point.

Thompson had only been at the helm at the Internet giant since January after replacing Carol Bartz, who got the boot after three years in the job.

Yahoo! confirmed Sunday Mr Thompson has “left the company” but failed to divulge any further information.

The resignation came just days after the embattled company announced it was setting up a “special committee to review Thompson’s academic credentials, as well as the “facts and circumstances” related to the review and disclosure of his credentials prior to his appointment as CEO.

Thompson denied any wrongdoing in the CV affair and claims he was unaware of the error, although it is likely has was asked during interview discussions of his academic background.

Ross Levinsohn was named on Sunday as as interim Chief Executive Officer at the troubled company, effective immediately.