What is the role of liver function tests in the workup 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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Liver function tests (aspirate aminotransferase [AST], alanine aminotransferase [ALT], gamma-glutamyl transferase [GGT], prothrombin time [PT]/international normalized ratio [INR]) and alkaline phosphatase level are usually not helpful initially. In patients with advanced disease, however, elevated results may be an indication of hepatic metastasis and bone metastasis, respectively.

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