While, the postoperative pathological diagnoses were 34 breast carcinoma, 1 relay phyllode tumor of the breast, and 20 benign diseases.

• 结果55例病例术前36例报告为高血低氧，19例报告为低血高氧，术后病理结果为乳腺癌34例，乳腺交界性分叶状肿瘤1例，乳腺良性疾病20例。