Hippo Campus frontman Jake Luppen made a shocking announcement that he will undergo a six-hour “open brain surgery” after being diagnosed with a brain tumor. “While a medical procedure of this nature carries some scary risks, my family and I couldn’t ask for a better surgical team to perform this surgery, which is scheduled for November 6th,” Luppen, 31, wrote to fans via Instagram on Wednesday, October 14, alongside an image of a CT scan of his brain. The musician explained that he learned seven years ago that he had a “9 mm lesion” near his basal ganglia — which control m...