The Latin for crab (and cancer) is cancer, whence English cancer and canker; the Greek for crab is karkinos, whence English carcinoma. Galen wrote in Greek and used karkinos 'crab' for the disease cancer; Aulus Cornelius Celsus used the Latin word cancer in his De medicina. Greek has both ogkos, i.e., onkos, whence English oncology) and kele) for 'tumor' .

Ceci n'est pas un seing.