Singer Robert Goulet, who was recently diagnosed with interstitial pulmonary fibrosis, has been hospitalized at Cedars-Sinai Medical Center where he awaits a lung transplant. His condition is listed as critical, according to his publicist, Norm Johnson.Goulet, 73, initially experienced a slight shortness of breath several months ago, but dismissed it as insignificant. On Sept. 20, after performing a show on the East Coast, Goulet felt weak. He returned home to Las Vegas, and was hospitalized Sept. 30 after his condition worsened. It was determined that Goulet would need an emergency lung transplant. Goulet was transferred to Cedars-Sinai on Oct. 13 and awaits the transplant there.