Malignant cancer cells of gastrointestinal tract or even breast can reach ovary and cause Krukenberg tumour. This phenomenon of spread of tumor cells is called _______.
A
metastasis
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B
inversion
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C
contact inhibition
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D
mutation
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Solution
The correct option is A metastasis Malignant cells can enter into blood from its primary site. Blood transports it to other parts of the body, where it can get deposited and develop into a secondary malignant tumour. This spread of cancer cells is called metastasis.