Table 3.

Adverse event attributions to radiation therapy and immunotherapy

Patient no.	Adverse event Grade	Attribution to radiation therapy	Attribution to immunotherapy
Pneumonitis
P1	2	probably	possibly
P2	2	probably	possibly
P3	2	probably	unlikely
P4	2	probably	unlikely
P5	4	unlikely	probably
Esophagitis
E1	2	probably	possibly
E2	2	probably	unrelated
E3	2	probably	unlikely
E4	2	definitely	unrelated
E5	2	unknown	unknown
E6	3	definitely	possibly
Dermatitis
D1	2	unrelated	unrelated
D2	2	unrelated	probably
D3	2	unrelated	probably
D4	2	unrelated	probably
D5	2	unrelated	probably
D6	2	unlikely	unlikely
D7	2	probably	unlikely
D8	2	probably	unlikely