Adverse Events
Among the ICI+SBRT cohort, there were 4 instances of grade 1 fatigue and 1 instance of grade 1 thrombocytopenia (Table 3). One patient experienced grade 2 fatigue. Two patients experienced grade 1 fatigue and 2 experienced grade 1 constipation among the ICI monotherapy cohort. There were no grade 3-5 AE, radiographic findings consistent with radiation necrosis on follow-up imaging, or treatment-related deaths in either cohort. No patients discontinued ICI due to toxicity.