Table 3.

Clinical characteristics of 13 Chinese melanoma patients in stage IV who received anti-PD-1 treatment.

Patient	Sex	Age	Tumor site	Metastasis site	PD-1 antibody	Cycles	Efficacy	PD-L1 expression	IGFBP2 expression
1	Female	57	Mucous	Lymph node	Opdivo	2	SD	Low	Low
2	Male	64	Mucous	Left adrenal gland	Keytruda	4	PD	High	Low
3	Male	61	Derma	Right lung	Keytruda	2	SD	High	High
4	Female	42	Derma	Right adrenal gland	Keytruda	5	PD	Low	High
5	Male	60	Derma	Right lung	Keytruda	4	PR	High	High
6	Female	57	undetermined origin	Right subaxillary	Keytruda	2	PD	Low	High
7	Male	53	Derma	Lymph node	Opdivo	2	SD	–	–
8	Female	53	Mucous	Lymph node	Keytruda	3	–	–	–
9	Female	76	Derma	Left lung	Keytruda	21	–		–
10	Female	59	Mucous	Lymph node	Keytruda	4	–	–	–
11	Female	50	Mucous	Liver	Opdivo	8	–	–	–
12	Female	57	Mucous	Lung	Keytruda	2	–	–	–
13	Male	62	Derma	Liver	Keytruda	7	–	–	–

Abbreviations: PR, partial response; SD, stable disease; PD, progression disease.