Do biopsy can judge cancer after all is inchoate still terminal not?

Biopsy in the broadest sense of the term refers to "biopsy", in a narrow sense of biopsy only refers to by minimally invasive surgery to take a small piece of tissue pathological examination for lesions qualitative, common operation method such as gastroscope, colonoscopy, bronchoscopy, cystoscope, colposcope, hysteroscopy and imaging guided centesis and so on, generally we say of biopsy is refers to the latter, I don't know if you mean biopsy in a broad sense or in a narrow sense?

If it is a narrow biopsy, the purpose of this pathological examination is only qualitative, in other words, to solve the following questions: normal versus abnormal, tumor or non-tumor, benign or malignant tumor; Because the biopsy tissue is too small, sampling is limited, representative examination, is not able to determine the stage.

Generally speaking, tumor staging often uses the following indicators: tumor size, depth of invasion, metastasis of peripheral organs, lymphatic vascular invasion and metastasis, metastasis of distant organs, etc., all of which need large radical surgical specimens to provide.

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