Figure 3
Canine, equine, and zebrafish melanoma. (A) A canine melanoma developing in the nasal cavity and (B) spreading to the viscera, particularly the liver. (C) An equine melanoma showing multinodular dermal lesions around the tail base and masses expanding into the pelvic canal and regional nodes. (D) An equine spleen with multiple malignant melanomas, and liver and lymph node from the same case. (E) Melanomas arising in a