Focus on Phila. and immunotherapy in segment of PBS show about cancer

The sweeping chronicle of cancer that premieres this week on PBS has strong Philadelphia connections. Cancer: The Emperor of All Maladies is famed documentarian Ken Burns' three-part, six-hour film adaptation of the Pulitzer Prize-winning, best-selling book. On Wednesday, the third and final episode prominently features a breakthrough immunotherapy being developed at the University of Pennsylvania and Children's Hospital of Philadelphia in partnership with pharmaceutical giant Novartis.