For laparoscopic liver resection, the indications have been expanded and oncological outcome was proven to be similar with open surgery in the malignant disease.
腹腔镜肝切除术的指征，已扩大和肿瘤学结果被证明是与恶性疾病开腹手术相似。
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However, the oncological safety of laparoscopic surgery for rectal cancer remained controversial due to the lack of definitive long-term results.