Tumor Expression of the Carcinoembryonic Antigen Correlates with High Mitotic Activity and Cell Pleomorphism Index in Lung Carcinoma

Table 3

Immunohistochemical expression of CEA.

Histopathological type	H-score
	0	1	2
	Number of cases (%)	Number of cases (%)	Number of cases (%)
SCLC	0	1/2 (50.00)	1/2 (50.00)
NSCLC
Squamous cell carcinoma	5/14 (35.71)	6/14 (42.86)	3/14 (21.43)
Adenocarcinoma	9/14 (64.29)	4/14 (28.57)	1/14 (7.14)
Large cell carcinoma	6/9 (66.67)	2/9 (22.22)	1/9 (11.11)
Other	2/4 (50.00)	2/4 (50.00)	0

Legend: SCLC: small cell-lung cancer; NSCLC: non-small cell lung cancer; %: percentages; 0: negative; 1: (6%–50%) and 2: (more than 50%).