REStoring lymphoCytes Using NKTR-255* After chemoradiothErapy in Solid Tumors (RESCUE)

This study tests a drug called NKTR-255 to see if it can help rebuild the immune system of people with non-small cell lung cancer (NSCLC) after they receive chemoradiotherapy, which often weakens the immune system significantly. **You may be eligible if...** - You are 18 years or older - You have been diagnosed with non-small cell lung cancer - You are receiving cancer treatment with curative intent (not just palliative) - You do not have other concurrent cancers (with some exceptions) **You may NOT be eligible if...** - You are receiving treatment only for symptom management, not cure - You have another active cancer at a different site - You did not provide written consent Talk to your doctor to see if this trial is right for you.