RACGAP1 and large cell neuroendocrine carcinoma: The RacGAP1 protein levels also increased from TC to AC (Mann-Whitney-Test: U = −2.495, p = 0.013) and from AC to SCLC/LCNEC (Mann-Whitney-Test: U = −5.705, p < 0.001/U = −3.404, p < 0.001) (see Figure 3).