Canine Cancer Secrets - Stages Of Breast Cancer
Dog breast cancer or mammary cancer
can be developed just as easily as
humans, and it is treated similarly with
human breast cancer. Unfortunately,
dogs are not discovered until later when
the cancer is already in an advanced
stage and cannot be helped. What, then,
are the stages of breast cancer?
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The stages of breast cancer are based on whether it is
invasive or non-invasive, the size of the tumor, or whether
the cancer has already metastasized to the other organs or
not. It is important to identify the different stages in order to
organize the different factors and features of the cancer.
This way, the best treatment for the condition will also be
identified.
Stage 0 – In this stage, the breast cancer is non-invasive,
which means that it has not spread to other parts of the
breast apart from the root location of the cancerous cells.
Stage 1 – In this stage, the breast cancer is invasive. Cancer
cells are already breaking out of the part of the breast from
which they originated and are invading neighboring normal
tissues. However, the lymph nodes are not yet affected.
Stage 2 – This stage is divided into two subcategories:
Stage 2A and stage 2B. In stage 2A, either no tumor can be
found in the breast, but a small tumor can be found in the
axillary lymph nodes, or a large tumor can be found in the
breast. In stage 2B, either a large tumor can be found in the
breast and the axillary lymph nodes.

Stage 3 – Stage 3 is also subdivided into categories: Stages
3A, 3B, and 3C, depending on the extent to which the
cancer has spread. In stage 3, the tumor may spread to the
lymph nodes above/below the collarbone, under the arm or
near the breastbone, chest wall, and/or skin of the breast.
Stage 4 – In this stage, the cancer has already spread to
other organs of the body.
Breast cancer, if detected at an early stage, can be cured
easily.