Lung cancer, is it necessary to do a lung biopsy to diagnose

Certainly, lung cancer cannot be ruled out, so the examination is performed for you. Bronchoscopy can only perform brushing, biopsy, and lavage on the lesions on the endotracheal lining. It can also perform puncture biopsy on the lymph nodes outside the organ. The scope of inspection is limited, and there are also A certain negative rate (any test is not 100%, but the combination of multiple test results can improve the accuracy). Lung puncture is recommended if there is a mass in the lung.

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