(B) Lung histology of animals treated as in A, showing both LSCC (CK5+) and lung adenocarcinoma (LADC) (SFTPC+) tumours in KRasLSL-G12D; Fbxw7f/f (KF) mice receiving vehicle but few LSCC lesions in mice receiving FT206. The gene discussed is KRT5; the disease is neoplasm.