Systems and methods for treating a lung of a patient. One embodiment of a method comprises positioning a leadless marker in the lung of the patient relative to the target, and collecting position data of the marker. This method further comprises determining the location of the marker in an external reference...http://www.google.de/patents/US20060093089?utm_source=gb-gplus-sharePatent US20060093089 - Systems and methods for treating a lung of a patient using guided radiation therapy or surgery
