Khan, Jenna Tissue Is the Issue for Diagnosis of EGFR T790M Mutation. [electronic resource] - Journal of thoracic oncology : official publication of the International Association for the Study of Lung Cancer 07 2016 - e91-2 p. digital Publication Type: Case Reports; Letter ISSN: 1556-1380 Standard No.: 10.1016/j.jtho.2016.03.017 doi Subjects--Topical Terms: Carcinoma, Non-Small-Cell Lung--diagnosisErbB Receptors--geneticsFemaleHumansLung Neoplasms--diagnosisMaleMiddle AgedMutationPrognosis