Andretti tweet: Cancer returns again

Former race car driver John Andretti speaks during a press conference at Indianapolis Motor Speedway, Thursday, May 18, 2017, in Indianapolis. (AP Photo/Michael Conroy)

INDIANAPOLIS (WTHR) - Race driver John Andretti shared some sobering news Friday night.

His cancer has returned and he is going back on chemotherapy treatments.

In a tweet, Andretti said the treatments had no "definite end."

He went on to say, "All of the love & support means a lot."

During a routine check up back in January 2017, doctors told Andretti he had Stage 3 colon cancer.

Since then, Andretti has become an advocate of colonoscopy screenings. Andretti has helped to spread the word with his hashtag #CheckIt4Andretti.

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