American Idol" finalist Luke Menard has been diagnosed with Hodgkin lymphoma, a representative for the singer's a capella group Chapter 6 confirmed.

"Luke had a lingering cough and was having trouble breathing deeply, so he went to the doctor to have it checked out," Jane Victor told CBS News. "The suspicion was walking pneumonia. But after a chest x-ray doctors saw a mass and did more testing, which is what led to the stage II Hodgkin diagnosis."

The 29-year-old singer, his wife and family remain hopeful, Victor added.

"They've been told that it's treatable and manageable. Luke is currently in Los Angeles and plans to return home to Indiana soon," she said.

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