方法：采用手助腹腔镜根治性肾切除术治疗肾肿瘤19例。
Method: Hand-assisted laparoscopic radical nephrectomy was performed on 19 patients with renal tumors.
方法采用腹腔镜下胃局部切除术治疗91例胃良性肿瘤。
Metho ds Appl ying laparoscopic local resection to treat 91 cases of benign gastric tumor.
方法：采用手助腹腔镜肾上腺切除术治疗肾上腺肿瘤4例。
Methods: Hand assisted laparoscopic adrenalectomy was performed on 4 patients with adrenal diseases.
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