2.

47例NSCLC伴NED临床特点

Clinical characteristics of 47 NECLC-NED patients

Clinical characteristics	n (%)
*: other sites including subcutaneous, retroperitoneal lymph node and pancreas
Clinical stage
Ⅳ	31 (66.0)
Ⅲ	14 (29.8)
Ⅲa	8 (17.0)
Ⅲb	6 (12.8)
Ⅱ	0 (0.0)
Ⅰ	2 (4.3)
Characteristics of image
Center type	26 (55.3)
Peripheral type	21 (44.7)
No of metastasis sites
1	10 (32.3)
2	7 (22.6)
≥3	14 (45.2)
Common metastasis sites
Brain	13 (27.7)
Adrenal	6 (12.7)
Liver	6 (12.7)
Bone	17 (36.2)
Lung	13 (27.7)
Others*	3 (6.4)