Italian opera star Luciano Pavarotti sings during part of his round-the-world farewell tour concerts in Shanghai, China in this December 6, 2005 file photo. Luciano Pavarotti's health has deteriorated, suffering kidney problems and losing consciousness, a local Italian TV station reported September 6, 2007. The opera star was released from hospital August 25 after undergoing more than two weeks of tests and treatment linked to his battle with cancer in his hometown of Modena. [Reuters]