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Fig. 1 | BMC Cancer

Fig. 1

From: Cytology cell blocks from malignant pleural effusion are good candidates for PD-L1 detection in advanced NSCLC compared with matched histology samples

Fig. 1

Inconsistent PD-L1 expression in matched MPE cell block and histology samples from three NSCLC patients (magnification × 40). Representative images of hematoxylin–eosin staining for a lymph node biopsy (a), a pleural biopsy (e), a CTG-CN biopsy (i) and the matched MPE cell blocks (c, g, k). PD-L1 IHC (SP263) shows higher PD-L1 expression and/or stronger staining intensity in MPE cell blocks compared with matched histology samples (d vs b; h vs f; l vs j). PD-L1, programmed cell death ligand-1; MPE, malignant pleural effusion; CTG-CN, computed tomography-guided core needle biopsy

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