Requirements for early breast cancer should be a small cancer (diameter ≤ 0.5cm) and clinical touch to cancer as a mass less than the early, because such cancers rarely transfer. After surgical treatment, its 10-year survival rate of more than 90% in general, a large number of detection of these cancers, there will be likely to play an active role in survival, in order to further the detection of such early cancer, made the following point.

1. The establishment of the new concept of early cancer: patients in the daily subjects, early cancer is not uncommon, but should be more common in advanced cancer, because the natural course of breast cancer growth in preclinical about full 2 / 3 . Nevertheless, there is little early cancer was detected, indicating that the majority of early cancer examination from the examiner hands pass undetected. Reason. Mainly due to check in early cancer who lack sufficient knowledge, so far the vast majority of Detection and Diagnosis are still used in the "breast lumps" as a diagnosis of breast cancer, the traditional concept of the primary signs, while the aforementioned early cancer may or may not form a visible mass, Under the guidance of this concept, the early detection of cancer, a rare inevitable. Therefore, a fresh understanding of the new concept of early cancer.