Sharon, @sharonsturdivan, We can't look back at decisions that we made in the past. With the information that you had, you made the decision that was right for you at the time. It won't fix anything to regret that decision now. Try to continue to look forward.
The PD-L1 test is generally done before immunotherapy is administered. It can be an indicator of how effective the immunotherapy might be (in most lung cancers). With your increased or on-going symptoms, is you doctor concerned about the wait? Did they give you an idea of how long the PDL-1 test will take to come back?