Multivariate analysis confirmed a significant association between worse overall survival and several factors: CD68+ macrophage infiltration (p = 0.018), age (p = 0.016), male gender (p = 0.043), Thoracoscore index (p = 0.018), omega-6/omega-3 ratio ≥ 21 (p = 0.020), adenocarcinoma histology (p = 0.027), and pathological staging (p = 0.027) (Table 3). This evidence concerns the gene CD68 and adenocarcinoma.