Lung cancer kills more Americans than any other type of cancer, according to US Food and Drug Administration and now the agency has approved a new drug to treat lung cancer. I’m Lindsay Liepman with the latest health news. Nivolumab is a medication that treats squamous non-small cell lung cancer after chemotherapy. It is the most common type of lung cancer. Nivolumab is approved only for patients who have already had platinum-based chemotherapy. This type of chemo uses several medications derived from the element platinum to fight cancer. .