Cytoplasmic Staining of TTF-1 Antibody in the Diagnosis of Hepatocellular Carcinoma: Study on 299 Cases Using Tissue Microarray

Table 2

TTF-1 expression in HCC.

	Score	No. (% of all cases)
Negative	0	124 (41.4%)
	1	10 (3.3%)
Moderate positive	2	23 (7.7%)
	3	10 (3.3%)
Strong positive	4	21 (7%)
	6	111 (37.1%)