<prompt> True about Wegeners granulomatosis isLarge vessel vasculitisGranulomas in GBMNephrosclerosisFocal necrotizing GN  <response>: Triad of WG: a. Acute necrotizing granulomas of respiratory tract b. Necrotizing or granulomatous vasculitis of small to medium-sized vessels c. Focal necrotizing often crescentic GN 