Provided are systems, devices, and methods of planning a medical procedure. An exemplary method includes receiving image data of a patient's chest, identifying the patient's lungs in the image data, determining locations of fissures of the patient's lungs in the image data, generating a three-dimensional (3D) model of the patient's lungs based on the image data, the 3D model showing the fissures of the patient's lungs, displaying a view of the 3D model including the fissures of the patient's lungs for viewing by a clinician, receiving input from the clinician regarding a plan for the medical procedure, and displaying the plan for the medical procedure.