One of the most frequent sites of cancer in cattle is in the eye, where they are called fungus hematodes, but they also occur on the skin, on the genitals, in the stomach, and within the organs.
"Special Report on Diseases of Cattle"
U.S. Department of Agriculture J.R. Mohler
In addition, the external genitals, root of the tail, escutcheon, etc.
"Special Report on Diseases of Cattle"
U.S. Department of Agriculture J.R. Mohler
The last five or ten minutes of the bath should be devoted to passing the faradic current between the head electrode and the surface board, this last applied about the genitals, but chiefly about the perineum, the current to be of sufficient intensity to contract the perineal muscles.
"The Electric Bath"
George M. Schweig