In a teaser for an upcoming Good Morning America interview, the "Copacabana" singer revealed that he also fought life-threatening pneumonia for a week.

Barry Manilow talks lung cancer diagnosis on "Good Morning America."

Good Morning America/ABC

Barry Manilow recently sat down with Good Morning America to give an update on his battle against Stage 1 lung cancer, telling interviewer Chris Connelly, “I’m doing good.” Manilow, 82, revealed his diagnosis in December and underwent surgery to remove a cancerous spot from his left lung later that month.

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