Results 15 cases with cancer cell, 1 case with mildew was found in 90 cases of pleural effusion, cancer cell distribute on the tail of smear, only 2 ~ 5 cancer cells could be clearly diagnosed.

结果90例胸腔积液中15例查见癌细胞，1例查见霉菌；癌细胞主要分布于涂片的尾部，每张涂片仅有2 ~ 5个癌细胞时，亦可明确诊断。

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The pap smear is a test for cancer of the cervix.

巴氏实验(涂片检查)用来检查官颈癌。

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"Our best success has been in pap smear, for the detection of cervical changes before actually the occurrence of cancer."

VOA: standard.2010.03.25

Other tests -- such as a Pap smear for cervical cancer or a lymph node biopsy for lymphoma -- are also safe.

CNN: Pregnant with cancer

But only one in a thousand of those in fact have a malignancy and are destined to die from it. (Most of the 4, 000 deaths per year from cervical cancer are in women who either never had a Pap smear or missed having one in the five years before a cancer diagnosis.) Over their lifetimes, 40% of women get a false alarm Pap.

FORBES: Magazine Article

In another example a lady developed cervical cancer after failing to attend appointments for smear tests over a nine-year period, despite regular reminders from the practice.

BBC: Doctors warned to check no-shows