Objective To study the advantage and indication of transversal approach in the treatment of cardiac cancer.
目的研究经腹入路治疗胃底贲门癌的获益和指征。
2
To explore the excellence and choice of indication in treating the interlumbar infection by operation through anterior and posterior approach.
目的：探讨前后入路手术治疗腰椎间隙感染的优点及适应征的选择。
3
Objective To explore the indication for transcatheter closure of inlet ventricular septal defect (IVSD) and approach the prevention and treatment of complications.