I had multifocal ground glass nodules initially. They were followed for 4 years when 2 of them grew. After pet-ct and biopsy I had lobectomy on left upper lung; adenocarcinoma. A paired analysis was not done and they classified me as stage 2b (2 nodules same lobe). I also had a wedge resection at the same time and they found aah. However, it's possible I have multiple primary lung cancer, mplc. At this point it doesn't really matter and may never had made a difference since i also had lymphovascularinvasion. I had chemo, pemetrexed and carboplatin and have now finished my 4th round of keytruda (out of 8 planned). I still have multiple ground glass opacities and nodules in my right lung. Last pet showed they were resolving. My next pet is 1/2. I'm on a watch and wait. If the ground glass resolves then great. If any of them grow, then further treatment.