Should radiotherapy be utilized in stage IVA NSCLC with a malignant pericardial effusion?

This has come up on occasions. I'm not aware of any high-quality evidence to guide one way or another. I would say, there may be a role for thoracic RT on a case by case basis. Though, I would preface all of this by stating that malignant pericardial effusion usually confers a poor prognosis.

I assum...