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.
However, the earliest known reference is more specific: Inquiry of an Italian employee of the bureau elicited the information that a âgandy dancerâ is a railway worker who tamps down the earth between the ties, or otherwise âdancesâ on the track.