Table 1.

Baseline Patient Characteristics

	Resection (n = 60)	Biopsy (n = 45)	P-value
Median age/y	59 (17–76)	64 (29–89)	P = .004
Gender(male/female)	30/30	27/18	P = .309
Median KPS	70(30–90)	70(30–100)	P = .040
Maximum dimension
< 3 cm	11(19.0%)	16(36.4%)	P = .084
≥ 3 cm	40(69.0%)	27(61.4%)
Location
Deep	23(38.3%)	34(75.6%)	P < 0.001
Superficial	37(61.7%)	11(24.4%)
Radiation therapy
Yes	33(55.0%)	21(46.7%)	P = .239
No	18(30.0%)	19(42.2%)
Chemotherapy
Yes	32(53.3%)	34(75.6%)	P = .002
No	14(23.3%)	1(2.2%)
Median PFS/m	29.27	44.03	P = .567
Median OS/m	64.17	59.93	P = .883
Survival rate	46.7%	55.6%	P = .367

Abbreviation: PFS, progression-free survival, OS  overall survival, KPS Karnofsky performance status;