University of Copenhagen and the Capital Region of Denmark 1 article published in JoVE Medicine Systematic Bronchoscopy: the Four Landmarks Approach Kristoffer Mazanti Cold1, Anishan Vamadevan1, Anne Orholm Nielsen1,2, Lars Konge1, Paul Frost Clementsen1 1Copenhagen Academy for Medical Education and Simulation (CAMES), Rigshospitalet, Copenhagen, University of Copenhagen and the Capital Region of Denmark, 2Department of Pulmonary Medicine, Bispebjerg Hospital Here, we present a protocol to navigate the bronchial maze in a structured manner, splitting the bronchoscopy into a stepwise approach-the four landmarks approach.