The overall survival outcomes of patients stratified by age (Fig. 2B), sex (Fig. 2C), race (Fig. 2D), marital status (Fig. 2E), insurance status (Fig. 2F), primary site (Fig. 2G), grade (Fig. 2H), lymphatic metastasis (Fig. 2I), T stage (Fig. 2J), CEA (Fig. 2K), liver metastasis (Fig. 2L), bone metastasis (Fig. 2M), brain metastasis (Fig. 2N), and surgical treatments of the primary site (Fig. 2O) are shown in Fig. 2. Here, CEACAM5 is linked to bone metastasis.