No significant differences were found between use of the bipolar coagulator and Harmonic scalpel.
No significant differences were found between use of the bipolar coagulator and Harmonic scalpel.
平均肿瘤大小为2.8公分（范围：1.0~5.5公分），平均住院天数为5.57天（范围：4~13天）。
No significant differences were found between use of the bipolar coagulator and Harmonic scalpel.
平均肿瘤大小为2.8公分（范围：1.0~5.5公分），平均住院天数为5.57天（范围：4~13天）。