Is there concern for hemorrhage after SBRT to a lung metastasis that directly involves a branch of the pulmonary artery?

Tricky spot. Are you sure it’s invading the PA or is it just nestled up real close. That would change my answer a bit. I have seen direct invasion of the PA and there’s usually some hemoptysis. It’s a very high pressure system and it usually leaks a little. Those are truly scary and I honestly don’t...