How is activity level used in the prognosis of non–small cell lung cancer (NSCLC)?

Updated: Jul 15, 2021
  • Author: Winston W Tan, MD, FACP; Chief Editor: Nagla Abdel Karim, MD, PhD  more...
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A patient's activity level, as measured by a performance status scale (eg, Zubrod, Karnofsky) is an important prognostic factor. Patients should be encouraged to remain active during and after treatment for lung cancer. A declining activity level usually signifies progressive or recurrent disease but also may be due to adverse effects of treatment.

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