Data regarding the prevalence of depression and anxiety among cancer patients, especially before cancer diagnosis, remains scarce. This study investigated the prevalence of these conditions and associated drug use among cancer patients pre- and post-diagnosis.

中文翻译：

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癌症诊断前后焦虑和抑郁障碍和精神药物使用情况的调查

关于癌症患者抑郁和焦虑患病率的数据，尤其是在癌症诊断之前，仍然很少。本研究调查了癌症患者诊断前和诊断后这些疾病的患病率和相关药物使用情况。