BMC Cancer

official impact factor 3.15

Open Access Highly Access Research article

Response to gefitinib and erlotinib in Non-small cell lung cancer: a retrospective study

Ivette F Emery1*, Chiara Battelli1,2, Paul L Auclair3, Kathleen Carrier4 and Daniel M Hayes1

Author Affiliations

1 Department of Translational Research, Maine Center for Cancer Medicine, Scarborough, Maine, USA

2 Department of Internal Medicine, Maine Medical Center, Portland, Maine, USA

3 Department of Pathology, Maine Medical Center, Portland, Maine, USA

4 Histology Core, Maine Medical Center Research Institute, Scarborough, Maine, USA

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BMC Cancer 2009, 9:333 doi:10.1186/1471-2407-9-333

Published: 18 September 2009

Additional files

Additional file 1:

Immunohistochemistry scores. Thirty two patients had tissue available for immunohistochemical analysis. Detailed information about each tissue sample is listed on the second column. Patient information, such as performance status (ECOG) and the number of previous lines of chemotherapy at the time of TKI administration is also listed. IHCs were scored on a semiquantitative basis of percentage of positive tumour cells (0-100%), multiplied by staining intensity (0 = negative, 1 = weak, 2 = moderate, 3 = strong). The percentage of cells staining is shown for each antigen. Patients are listed according to increasing length of time to progression.

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