Question

what is metastasis? explain in brief

Answer 1

Metastasis is the spread of cancer cells to new areas of the body (often by way of the lymph system or bloodstream). A metastatic cancer, ormetastatic tumor, is one which has spread from the primary site of origin (where it started) into different area(s) of the body.

Answer 2

cells sloughed from malignant tumour reach distant sites through blood & wherever they get lodged in the body they start a new tumour there. this is called metastasis. it is the most feared property of malignant tumours.