Lung Carcinoma in Situ is related to lung squamous cell carcinoma and pulmonary adenocarcinoma in situ. An important gene associated with Lung Carcinoma in Situ is OR9A4 (Olfactory Receptor Family 9 Subfamily A Member 4), and among its related pathways/superpathways are Infectious disease and PI3K-Akt signaling pathway. Affiliated tissues include lung, and related phenotypes are neoplasm and reproductive system