What does "PD-L1 TPS 0" mean in a report or doctor's letter? In our medical dictionary, you will find a patient-friendly explanation of the meaning of this medical term.
"PD-L1 TPS 0" refers to a test result from a medical examination. PD-L1 is a protein that can be found on some cells in the body, including cancer cells. The TPS, or Tumor Proportion Score, is a way to measure how much of this protein is present. A score of 0 means that no PD-L1 was found on the surface of the tumor cells that were tested.
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