melanoma tissue extracts prepared from metastatic sites in both skin and lymph nodes contained 0.08-2.80 % of s-100 out of the total extractable proteins , and it was also noticed that the tumors obtained from lymph-node metastasis possessed slightly higher levels of s-100 as compared with those obtained from the skin lesions .
C0024204
lymph nodes
C0686619
lymph-node metastasis