University of Barcelona Jun 15 2026 A study by the University of Barcelona has discovered why the two main types of lung cancer - adenocarcinoma of the lung and squamous cell carcinoma - respond differently to anti-angiogenic therapy, that is, drugs that block the formation of new blood vessels that tumors need in order to grow. The results, published in the journal Cell Death & Disease , show that these differences largely depend on the environment surrounding the tumors, particularly on some