It keeps the normal sensory functions of the skin of upper medial arm and axilla and improves the life quality of the patients after operations.

• 结论乳腺癌腋淋巴结清扫术中保留肋间臂神经，可明显减少上臂内后侧感觉障碍的发生率，有利于改善病人术后的生活质量，具有一定的临床应用价值。