Immunotherapy is a popular new drug treatment that stimulates the body’s natural immune system to attack tumors. It is effective against many types of cancer, but not so much against lung cancer. Why?

A new study reveals that lymph nodes near the lungs create an environment that weakens T-cell responses to tumors. “Despite the fact that these T cells are proliferating, and they’re infiltrating the tumor, they were never licensed to kill,” explains Stefani Spranger, senior author of the new study.

>>Read More: Why lung cancer doesn’t respond well to immunotherapy 

>>Learn More: How Joe Tippens beat terminal cancer with $7 dog medicine


New Study Explains Why Lung Cancer Does Not Respond Favorably to Immunotherapy

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