Seven major pathways were identified, including FGF, Integrin, Wnt, and Cadherin signalling pathways, as well as Angiogenesis, Gonadotropin-releasing hormone receptor, and the Alzheimer disease-presenilin pathway, with all seven pathways being implicated in lung cancer [50–56]. This evidence concerns the gene CDH17 and early-onset autosomal dominant Alzheimer disease.