What does AI see? Deep segmentation networks discover biomarkers for lung cancer survival. - Stephen Baek; Yusen He; Bryan G. Allen; John M. Buatti; Brian J. Smith; Kristin A. Plichta; Steven N. Seyedin; Maggie Gannon; Katherine R. Cabel; Yusung Kim 003; Xiaodong Wu 001 (CoRR, 2019)