Table 2.

Complications classified according to SIR Standards of Practice Committee

Complications	n	SIR classification	Comments
Minor
Pain	6	B	Analgesic treatment
Fever	3	B	Analgesic treatment
Hemorrhage	2	B	Self-limiting, no treatment
Pneumothorax (asymptomatic)	12	B	No treatment; observation
Major
Pneumothorax (requiring drainage)	7	C	Image-guided chest tube drainage

n, number of procedures; SIR, Society of Interventional Radiology.