http://www.hyscience.com/archives/2005/07/_talking_chemic.php Usually these tumours are diagnosed only after they have spread to other parts of the body, but now we have the potential to recognise them before they metastasise en-us http://www.newhopeblog.com/archives/2005/07/_talking_chemic_1.php Usually these tumours are diagnosed only after they have spread to other parts of the body, but now we have the potential to recognise them before they metastasise