A tissue sample (biopsy) taken using a needle. The needle is put into the lump and a core of tissue is removed inside it when it is taken out. This tissue sample is checked under the microscope for cancer cells.
A tissue sample (biopsy) taken using a needle. The needle is put into the lump and a core of tissue is removed inside it when it is taken out. This tissue sample is checked under the microscope for cancer cells.