O médico deve introduzir o dedo no ânus do paciente e, se encontrar algo tão duro quanto uma pedra... trata-se certamente de um tumor. Frequentemente ele corrói e consome toda a circunferência [do ânus, e] talvez jamais possa ser curado com tratamento humano.
Original: The doctor should put his finger into the anus of this patient and if he finds within something as hard as a stone... this is certainly a tumor. Often it erodes and consumes the whole circumference of [the anus, and] it may never be cured with human treatment.
Fonte: A Companion to Aphorisms & Quotations for the Surgeon — Colorretal
John of Arderne