How is breast cancer diagnosed?

By a biopsy: Pathology from a biopsy.

Biopsy: Many times everything is started from either an abnormal screening mammogram or a palpable mass found either on clinical examination or found by patient herself. Diagnosis is made from a biopsy of the suspicious lesion/lump . Biopsy is the only test that can definitely differentiate between malignant tumor vs benign tumor.

Early Detection: Breast cancer is diagnosed through imaging techniques such as mammograms and ultrasounds which detect an abnormality and then with a biopsy. The biopsy can either be performed through the skin with a needle or as open procedure in some cases.

Breast cs: Diagnosis begins with discovery of a lump felt by you during regular self exams, or by doc during formal exam. Mammogram also can discover a tissue irregularity that is suspicious. Ultrasound or MRI also can be usedcto discovercan irregularity. These are screening tests. Biopsy then is the final diagnostic test. Blood exams are not diagnostic but can inform re risk