Finally, 12 out of 63 proteins were associated with lung cancer, including Annexin family members (A1, A2, A3, A5, A6, A11), Mucin 1, Prominin-1, Nitrogen permease regulator 2-like protein, Histone H4, Carcinoembryonic antigen-related cell adhesion molecule 1, and Tumor necrosis factor alpha-induced protein 3. The gene discussed is CEACAM1; the disease is lung carcinoma.