Home ROS1ders in Europe, participate Because ROS1+ lung cancer is a rare type of lung cancer, occurring in 1-2% of non-small cell lung cancers (NSCLC), Stichting Merels Wereld has joined forces with UMCG and Hanzehogeschool Groningen and initiated a scientific research project. We ask you for you contribution in our project in order to accelerate research on our type of lung cancer. On this website, we would like to inform you how you can participate! If yo u have a medically necessary biopsy, pleural