Immunohistochemical Characterization of Three Monoclonal Antibodies Raised against the Epidermal Growth Factor and Its Receptor in Non-Small-Cell Lung Cancer: Their Potential Use in the Selection of Patients for Immunotherapy

Table 3

Immunohistochemical expression of EGF receptor.

		H-score
Histopathological type	0	1	2
	No. (%)	No. (%)	No. (%)
SCLC	8/12 (66.67)	3/12 (25.00)	1/12 (8.33)
NSCLC
Squamous cell carcinoma	9/20 (45.00)	6/20 (30.00)	5/20 (25.00)
Adenocarcinoma	10/23 (43.48)	7/23 (30.43)	6/23 (26.09)
Large cell carcinoma	1/6 (16.67)	3/6 (50.00)	2/6 (33.33)
Other	2/10 (20.00)	4/10 (40.00)	4/100 (40.00)

SCLC: small cell lung cancer; NSCLC: non-small cell lung cancer; No.: number of cases; %: percentages; 0: negative; 1: scores <150; 2: scores ≥150.