The Post Falls Cancer Center building is under construction at the southwest corner of Mullan Avenue and Syringa Street, in Post Falls, for Coeur d'Alene-based Kootenai Health, the operator of Kootenai Medical Center. Contractors Northwest Inc., of Coeur d'Alene, is the contractor on the $8.2 million, 20,900-square-foot project, and Coeur d'Alene architects Rann Haight and Roy Marshall designed it.