c-Src was expressed in all malignant skin tumors but not expressed in normal skin tissues, while c-Yes was expressed in MM and SCC and not in BCC and normal skin (Fig. 1) (data not shown for M-5, M-6, S-5, S-6, B-5, B-6, N-5, N-6). Here, YES1 is linked to skin basal cell carcinoma.