Breast cancer is divided into 5 stages starting from 0 to 4. Stage 0 is the non-invasive breast cancer where the cancerous cells have just been observed in the lining of the milk ducts. Cancer is in this stage is easily treatable. In stage 1 the cancer becomes evident but has not spread to the nearby tissue. In this stage cancer can be easily treated as the lump size is very small. In stage 2 the cancer cells start spreading and can spread to the nearby lymph nodes. Stage 1 and 2 are early stage breast cancers. In stage 3
