CEACAM5 and laryngotracheoesophageal cleft: The results of univariate analyses indicated that the pre-SABR level of CEA (within normal range; p < 0.01), GTV (less than 1.5 mL; p = 0.01), and timing of SABR (for a second or third pulmonary metastasis; p = 0.04) were statistically significant prognostic factors for LC (Table 2, Fig. 2a).