f, Kaplan-Meier analysis comparing PDAC-free survival of KrasG12D/+ p53−/− mice that were chloroquine-treated (CQ, red), vehicle-treated (PBS, black) or untreated (blue). a, e, f, The blue curve in all Kaplan-Meier plots represents the same colony of mice (KrasG12D/+, p53−/−, Atg7+/+, Atg5+/+). A Mantel-Cox test was used for statistics. b, d, Scale bars: 100 µm (b), 200 µm (d). *P 0.05, **P 0.01. 