Knee pain could indicate lung cancer

Arthritic inflammation of one knee joint may be the first sign of non-small cell lung cancer (NSCLC), Italian researchers have found.

 Of 6,500 patients with symptoms of rheumatic disorders, 296 had mild symptoms of monoarthritis in one knee. In five of these patients, the knee symptoms were the first indicator of very early stage non-small cell lung cancer. All five were middle-aged men with a history of heavy smoking (

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