Stefan Pfister, Andrey Korshunov and their colleagues at the German Cancer Research Center, Heidelberg screened a total of 292 patients with ependymoma and identified three subgroups with distinct ...

It is a rare form known as an ependymoma. 'It really is too bad - everyone feels for her,' a source close to Ringo Starr said yesterday. Miss Starkey, a fashion designer, has already had several ...