Intratumoral heterogeneity of programmed cell death ligand-1 expression is common in lung cancer
Fig 7
Representative images of PD-L1 expression in a case with heterogeneous PD-L1 expression.
(A) The whole section (magnification, 3×), (B) the corresponding Spiral Array core (magnification, 15×), (C) magnified images from the regions delineated by the dotted lines in A (left) and B (right) (magnification, 200×), and (D) magnified images from the regions delineated by the solid lines in A (left) and B (right) (magnification, 200×). Images of the other 5 cases are shown in S1 Fig.