Michelle Rounds and Rosie O'Donnell Michelle Rounds and Rosie O'Donnell

Rosie O'Donnell has postponed her wedding while her fiancée Michelle Rounds battles a rare disease.

The comedian announced the news on her blog in the form of a poem, chronicling the couple's the journey from symptoms to diagnosis to (hopefully) recovery. "Undiagnosed — again and again. Her pain grew worse, "O'Donnell wrote. "It seemed impossible. No one knew what was wrong."

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"Life changes in an instant," the funny lady noted in regard to Rounds' eventual diagnosis with desmoid tumors. According to O'Donnell, the disease is "beyond rare," with only 900 cases a year in the U.S.Rounds is currently "recovering from surgery" she had in June and is "getting stronger every day," O'Donnell wrote. But the couple, who announced plans to marry in December, has decided to postpone their wedding until next summer. In lieu of gifts, the pair is asking for donations to the Desmoid Tumor Research Foundation.