After blocking, severity of tissue injury in experimental group 2 was milden than in experimental group 1 (P<0. 05).
封闭后组织损伤程度实验2组明显轻于实验1组（P<0.05）。
There is no recurrence in experimental group but 3 cases recurrence within 1 year in control group.
实验组无局部复发而对照组有3名患者术后1年内局部复发。
The result shows that milkfat percentage and milk yield of the cows in experimental group increased 1.
试验结果表明，试验组奶牛乳脂率和产奶量分别提高1。
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