Table 1

Summary of PDFGR-α expression in lung cancer specimens

Cancer type
Total
Negative
Positive
% positive




1+
2+
3+

Squamous carcinoma
18
2
7 (39%)
5 (28%)
4 (22%)
89%
Adenocarcinoma
11
0
6 (55%)
3 (27%)
2 (18%)
100%
Small cell carcinoma
4
0
0
4 (100%)
0
100%
Mesothelioma
2
2



0%

Zhang et al. Molecular Cancer 2003 2:1   doi:10.1186/1476-4598-2-1