For a patient with glioblastoma also found to have a distant presumed meningioma with a location/size such that you would have otherwise recommended RT, would you offer concurrent treatment?  

I think if the situation is non-urgent and the lesion (meningioma) can be safely monitored, one approach would be to prioritize treatment of the glioblastoma while observing the meningioma. If, however, the meningioma demonstrates interval growth and/or is located in an area at higher risk for causi...