对肺和食管癌的任何益处限于腺癌，它在非吸烟者中是最常见的。
Any benefit for lung and esophageal cancer was limited to adenocarcinomas, which are most commonly seen in nonsmokers.
女性恶性肿瘤前五位是：乳腺癌、宫颈癌、肺癌、胃癌、食管癌。
The top five of female malignant tumor is: breast cancer, cervical cancer, lung cancer, cancer of the stomach and cancer of the esophagus.
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