Difference between Neoplasm and Tumour

What is the difference between Neoplasm and Tumour?

Neoplasm as a noun is an abnormal new growth of disorganized tissue in animals or plants. while Tumour as a noun is an abnormal growth; differential diagnosis includes abscess, metaplasia, and neoplasia.

We hope you now know whether to use Neoplasm or Tumour in your sentence.