How do you approach the treatment of LS-SCLC after SBRT for a prior NSCLC in the ipsilateral lung?

You know, it was so rare to see this in the first half of my career, and now I see it a few times a year. It's a testament to the improvements we are seeing in the care of lung cancer patients... they are getting 2nd cancers.

Where I am (Mayo), we generally treat it exactly like an SCLC from the per...