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.
Lindy Hop is danced in couples (a pair consisting of a lead and a follow), although the couple need not consist of a man and a woman: both men and women may take the role of either lead or follow. It is a social dance, meaning that we do not have a fixed `dance partnerâ like one often finds in other dances.