<Tr> <Td> <Ul> <Li> </Li> <Li> </Li> <Li> </Li> </Ul> </Td> </Tr> <Ul> <Li> </Li> <Li> </Li> <Li> </Li> </Ul> <P> Humans have approximately 500--600 lymph nodes distributed throughout the body, with clusters found in the underarms, groin, neck, chest, and abdomen . </P> <Ul> <Li> Occipital lymph nodes </Li> <Li> Mastoid lymph nodes </Li> <Li> Parotid lymph nodes </Li> </Ul>

Where are lymph nodes located in large numbers