 It soon becomes clear to everyone Cameron and Chase slept together, and the tests show that Kalvin has terminal cancer with no chance of a cure, and they prepare to pinpoint its location with a biopsy.Chase helps Cameron with her symptoms and admits they might have a problem with their continuing relationship.House and Wilson discuss the rat, which is on two weeks of antibiotics, and House remembers the fact that Kalvin's dad was sweating and they're from Montana.