TABLE 2.

Survival analysis among different numbers of involved extracranial organs

Survival rate	The number of involved extracranial organs				p value
	0	1	2	≥3
6‐month OS	51.4%	41.8%	35.7%	34.3%	<0.001
1‐year OS	31.4%	25.2%	20.2%	17.8%	<0.001
6‐month CSS	47.8%	39.4%	34.3%	33.4%	<0.001
1‐year CSS	26.3%	21.9%	18.4%	16.6%	<0.001