How would you approach treatment in patients with stage III non small cell lung cancer invading the atrium of the heart?  

Thank you for the question. I would refer to our case report from ~ 6 years ago. Link here:Atrial mass from NSCLC treated with radiotherapy in BJ Radiology. I think the short answer is that generally you have to treat it, and the best option is radiotherapy +/- chemotherapy.  Modern radio...