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Noun: malignant neoplasm
  1. A tumour that is malignant and tends to spread to other parts of the body
    - malignant tumor [US], metastatic tumor [US], malignant tumour [Brit, Cdn], metastatic tumour [Brit, Cdn]

Derived forms: malignant neoplasms

Type of: malignance, malignancy, neoplasm, tumor [US], tumour [Brit, Cdn]

Encyclopedia: Malignant neoplasm