Dr. Luis Raez, MD FACP FCCP, Chief of Hematology/Oncology and Medical Director at Memorial Cancer Institute, and Clinical Associate Professor of Medicine at Florida International University joined GRACE to discuss the basics of lung cancer. In this 30th video for the Spanish lung cancer video library, Dr. Raez discusses response time on immune checkpoint inhibitors and the concept of pseudoprogression. http://cancerGRACE.org/