A Chinese hospital announced on Tuesday that doctors have recreated a breast for a cancer patient using 4D printing.

星期二，中国一家医院宣称，医生用4D打印技术为一位乳腺癌患者进行了乳房重建。

The surgery was performed on August 8, 2016, and the printed breast has grown well with the patient's own tissue, said Ling Rui, a vascular surgery doctor with Xijing Hospital of the Fourth Military Medical University in Xi'an, Shaanxi Province.

陕西西安第四军医大学西京医院的血管外科医生凌瑞表示，该手术是在2016年8月8日进行的，打印的乳房在病人的组织上生长良好。

The patient underwent a mastectomy for her left breast last year, before having the surgery.

去年在进行这一手术之前，这位病人进行了左侧乳房切除手术。

"Compared with three-dimensional printing, 4D printing adds time as another dimension," said Ling.

凌医生表示，“与三维打印相比，4D打印加入了时间维度。”

Doctors collected data on the size of her tumor and original breast, and reconstructed a bio-degradable breast.

医生收集了病人肿瘤和原乳房的尺寸等数据，然后用生物可降解材料进行了乳房重建。

The implant was developed by the hospital with a national lab of Xi'an Jiaotong University.

该植入技术是由西京医院与西安交通大学的一个国家实验室共同研制的。

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