How is the diagnosis of non–small cell lung cancer (NSCLC) confirmed?

Updated: Jul 15, 2021
  • Author: Winston W Tan, MD, FACP; Chief Editor: Nagla Abdel Karim, MD, PhD  more...
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Answer

There are several methods of confirming diagnosis, with the choice determined partly by lesion location. These methods include the following:

  • Bronchoscopy
  • Sputum cytology
  • Mediastinoscopy
  • Thoracentesis
  • Thoracoscopy
  • Transthoracic needle biopsy (CT- or fluoroscopy-guided)

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