Extended Data Figure 7. Histological confirmation of lung adenocarcinomas.
a-b, Representative histologies (400× magnification) of A/J, a, and FVB/N, b, adenocarcinomas. Zoom insets show tumour cell crowding and scattered mitotic figures (black arrowheads), nuclear atypia including enlargement and moderate pleomorphism, nuclear membrane irregularity, and prominent nucleoli. Scale bar = 20 μm.