Rous, P. (English spelling) RousP

…However, in reality, it is believed that there are several intermediate stages of cancer before a cell becomes completely cancerous. Lesions formed by the proliferation of cells in the intermediate stages of cancer are called precancerous lesions in the narrow sense (precancerous lesions in the broad sense also include lesions that are prone to cancer, i.e. cancer-prone lesions, and lesions that do not themselves lead to cancer but serve as markers of a cancer-prone state, i.e. side cancer lesions). Precancerous lesions generally grow more slowly than cancer and do not invade or metastasize. …

*Some of the terminology that mentions "Rous, P." is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…しかし実際は，細胞の癌化が完成するまでには，何段階かの癌化中間段階があると考えられている。癌化中間段階の細胞が増殖して形成する病変を狭義の前癌病変precancerous lesionという(広義の前癌病変は，この病変のほかに，癌化の起こりやすい病変すなわち癌化好発病変や，それ自体癌化に結びつかないが癌化好発状態の目印になるような病変すなわち側癌病変も含まれる)。前癌病変は，一般に癌に比し増殖速度は緩やかで，浸潤や転移を起こさない。…

※「Rous，P.」について言及している用語解説の一部を掲載しています。

出典｜株式会社平凡社世界大百科事典 第２版について | 情報