There is little doubt that the chaos ushered in by the pandemic will lead to more cancer deaths. But determining how many has been difficult: many cancers are slow-growing, their development can be complex, and factors such as treatment decisions play a big role in outcomes. To assess how missed screenings might affect cancer mortality rates, the National Cancer Institute turned to Oguzhan Alagoz, a professor of industrial and systems engineering at the University of Wisconsin–Madison whose research involves modeling both cancer epidemiology and infectious diseases.