Tumor types: There has been a long-lasting debate about classification of canine mammary tumors. According to the World Health Organization (WHO), canine mammary tumors are histologically classified into four categories: malignant tumors, benign tumors, unclassified tumors, and mammary hyperplasias/dysplasias.
Gandy dancer is a slang term used for early railroad workers who laid and maintained railroad tracks in the years before the work was done by machines.
The man on the left wears a frock, the man on the right wears morning dress. A dandy (also known as a beau or gallant) is term historically used to describe a man who places particular importance upon physical appearance, refined language, and leisurely hobbies, pursued with the appearance of nonchalance in a cult of self.