The main complications of the balloon dilation are melena ( %) and perforation ( 0%).
The main complications of the balloon dilation are melena ( %) and perforation ( 0%).
该方法的主要并发症为黑便 ( % )和穿孔 ( 0 % )。
The main complications of the balloon dilation are melena ( %) and perforation ( 0%).
该方法的主要并发症为黑便 ( % )和穿孔 ( 0 % )。