My husband was diagnosed Stage4a with MPE in January 2020 ...the MPE was actually there in early December. He underwent thoracentesis (draining) at least three times a week then an indwelling pleural catheter was installed at the end of January. His MPE actually dried up about two weeks ago...apparently that can happen with frequent draining through a catheter. It’s great because the MPE was causing him lots of grief. He is not on treatment yet ..expect immunotherapy to start in a couple of weeks. His latest CT scan and bone scan shows no mets elsewhere. We saw the stats you reference but we don’t believe they reflect today’s treatments.