Table 3. Summary of adverse events during treatment since oligoprogression.

Adverse event category	CPI based treatment related (n)			RT related (n)		Total (n, %)
	Grade 1–2	Grade 3–4		Grade 1–2	Grade 3–4
Pneumonia	0	1		4	1	6 (25%)
Kidney damage	2	0		0	0	2 (8.3%)
Hypophysitis	2	0		0	0	2 (8.3%)
Thyroiditis	2	0		0	0	2 (8.3%)
Skin reaction	1	1		0	0	2 (8.3%)
Hypothyroidism	1	0		0	0	1 (4.2%)
Stubborn brain edema	0	0		0	1	1 (4.2%)
Hemoptysis	0	1		0	0	1 (4.2%)

CPI, checkpoint inhibitor; RT, radiotherapy.