Immunotherapy like Nivolumab etc
Regarding usage of Nivolumab in lungs cancer--> Yes it is used to treat certain types of lungs cancer but only if the sick person has failed conventional chemotherapy. Even it can cope up with metastasis but if there is sufficient PDL1 protein blockage. If PDL1 is there then this drug can do wonders. PDL1 should be more than 60%
Opdivo is sold by brand name Opdyta in India, basically it is Nivolumab a check point inhibitor. It turns down protein layer PDL1 on cancer cells so that immune system in our body identifies it and kills cancer cells. It is a costly drug 100ml=1 lakh RS.