Embodiments of the present invention include devices, systems, and methods for implanting and locating traceable markers in a region of a patient's body such as a lung, and in particular lung nodules which may be difficult to locate using traditional means. Further embodiments describe devices, systems, and methods that may be used to treat regions in the lung such as lung nodules with various treatment modalities including heating, microwave irradiation, chemical treatment, and which may be used in conjunction with embodiments of the traceable markers described herein.