Fig. 3
Comparison of overall survival between the tumor size ≤ 50 mm group and the tumor size > 50 mm group before (a) and after (b) propensity score matching
Fig. 3 | BMC Gastroenterology
Comparison of overall survival between the tumor size ≤ 50 mm group and the tumor size > 50 mm group before (a) and after (b) propensity score matching