‘Cancer’: A Story Ken Burns Couldn’t Refuse

Cancer is perhaps the most-feared of all diseases — which is exactly why Ken Burns sees it as a vital topic, if never a welcome one. The three-part, six-hour Cancer: The Emperor of All Maladies, premieres on PBS stations on Monday. It traces the story of the disease from its earliest accounts in ancient Egypt to the latest scientific breakthroughs and their impact on real-life patients.