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Journal of the Egyptian National Cancer Institute
Fig. 1 | Journal of the Egyptian National Cancer Institute

Fig. 1

From: The prognostic role of PD-1, PD-L1, ALK, and ROS1 proteins expression in non-small cell lung carcinoma patients from Egypt

Fig. 1

Immunohistochemical staining of a ROS1 (40X), b ALK (40X), c PD-1 (20X), and d PD-L1 (20X) in adenocarcinoma specimens. e Negative immunohistochemical expression (40X). Majority of cells showed membranous staining for ROS1, nuclear and membranous staining for ALK, cytoplasmic and membranous staining for PD-1 was and PD-L1. f Bar plot showing the frequency of the ROS1, ALK, PD-1, and PD-L1 proteins expression

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