Table 1.

Patient characteristics.

	Group A n = 25	Group B n = 28	P
Age (years)Range	38–84	45–82	0.941
Mean	69	69
Gender			0.776
Male	17	18
Female	8	10
Histology			0.958
Squamous carcinoma	10	11
Adenocarcinoma	15	17
Number of lesions	84	96	0.079
Oligometastatic site			0.069
lung	9	10
Adrenal gland	7	5
Liver	5	7
Lymph nodes	4	6
Tumor size  ≤ 3 cm	12	16	0.506
>3 cm	13	12
KPS			0.158
70	3	2
80	4	5
90	10	11
100	8	8

KPS, Karnofsky Performance Scale score; SD, standard deviation.