The page you requested is not available at the moment. If you typed in a URL , please make sure you have typed it correctly. If you are trying to register, subscribe or enter a competion , please try reloading this page. The Observer Front page Story index Slow burn Most cancers are invisible, internal.
Melanomas are on show, easy to spot.
And they're quickly cured, as long as they are caught in time. Sarah Boseley on why checking your moles regularly could save your life. The document has moved here .