TP53 and large cell carcinoma: The median serum anti-p53 Ab level in epidermoid cancer group, adeno-carcinoma group, and large-cell carcinoma group was 4.10 ng/mL (range: 2.67-52.49 ng/mL), 4.16 ng/mL (3.26-104.19 ng/mL) and 4.5 ng/mL, respectively.