Tung Wah Hospital found that tissue samples from two patients had been mixed up, which resulted in delayed diagnosis of prostate cancer in the 69-year-old male patient and unnecessary treatment of the 72-year-old patient.

• 东华医院察觉一宗将两名男病人组织检查化验结果错误调换的事故，导致一名七十二岁男病人接受不必要的治疗，而另一名六十九岁男病人则于稍后时间才能被确诊为前列腺癌。