Multiple reports say former New York City Mayor Rudy Giuliani is hospitalized and has been diagnosed with pneumonia. The update is attributed to a business partner who discusses his condition while he is receiving medical care. The reports do not provide additional clinical details such as severity, treatment plan, or prognosis, and they do not specify when the diagnosis occurred or how it was confirmed. Aside from the pneumonia diagnosis and his hospital stay, the available information remains limited across the sources provided. No other confirmed medical findings, test results, or statements from Giuliani himself or attending physicians are included in the supplied material. The reports therefore focus primarily on the pneumonia diagnosis and the fact that Giuliani is currently under hospital care, as relayed through his business partner.