In writing a report on tumors, malignancy and cancer in dogs it is important to learn exactly what they are. However, any sort of lump, bump, growth or swelling is a tumor. There are different kinds of neoplasm's.
Malignant neoplasm is the dangerous neoplasm.
This malignant or cancer usually enlarge rapidly within a few weeks or months. They are not encapsulated which means they can spread. The cancer spreads like a group of troops invading an army. Cancer is graded according to its degree of malignancy. They grow late in the course of illness.