<qa>  What is the name of the biopsy that showed no evidence of malignancy?We will review medical records to identify patients who underwent percutaneous needle biopsy of a lung mass between 5101 and 103004. If the pathology report indicates that the the biopsy showed no evidence of malignancy, we will examine the medical record for a gold standard diagnosis of the lesion in question, including the pathology result from a surgical resection or a repeat biopsy, or imaging follow-up demonstrating regression of the lesion or size stability for at least 2 years, or clinical follow-up for at least 2 years. 