LAGUNA NIGUEL, Calif.—Before doctors diagnosed seven-year-old Jacob Hayward with stage four Wilms Tumor, a type of kidney cancer most commonly found in children, he would dress up like a mailman every day to greet the carrier, and then hand the bundle of mail to his mom and dad. Jamie Hayward, Jacob’s mother, said he immediately runs downstairs to catch the mailman as soon as he hears the truck. “His big thing has always been the mailbox,” Jared Hayward, father of Jacob, told reporters. “I mean, he’s got a U.S. postal tent upstairs.” Every day, checking the mail was part of Jacob’s routine until he became sick. On March 11, 2020, eight days before Gov. Gavin Newsom declared a statewide shelter-in-place order due to the rising COVID-19 cases in California, Jacob was diagnosed with kidney cancer, changing the Hayward family’s world just before the pandemic changed the world. Over the last …