自1950年開始出版,CA:癌癥期刊臨床醫生一直是美國癌癥協會的旗艦雜志,提供一個包含請求評論文章感興趣的同行評議的出版物腫瘤學家,初級保健醫生、護士和其他衛生保健專業人員感興趣的最佳實踐對癌癥預防、早期發現和治療。雖然CA是一份腫瘤學雜志，但它不只是一份腫瘤學家的雜志。CA每年出版6次，是全球發行量最大的腫瘤雜志，讀者超過10萬人。

Since beginning publication in 1950, CA: A Cancer Journal for Clinicians has served as the flagship journal for the American Cancer Society, providing a peer-reviewed publication containing solicited review articles of interest to oncologists, primary care physicians, nurses, and other health care professionals interested in best practices for cancer prevention, early detection, and treatment. Although CA is an oncology journal, it is not a journal only for oncologists. Published six times per year, CA is the most widely circulated oncology journal in the world, mailing to over 100,000 individuals.