Breast Tumors

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"I am one woman among hundreds of thousands of women who are learning to be courageous, and to overcome, and to live in the face of cancer."

Jan was diagnosed with Stage 4 breast cancer in June 2009 after undergoing a routine bone scan for an unrelated injury. A wife and mother, Jan described her initial diagnosis as a complete shock. "I remember just the sensation of having the wind sucked out of my lungs, a sucker punch, or something that stops you mid-stride," says Jan about her diagnosis. "And then as you begin to breathe again, there's this one million questions that circle your mind."

Watch Jan's inspirational story and learn more about how she overcame breast cancer.

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"I am one woman among hundreds of thousands of women who are learning to be courageous, and to overcome, and to live in the face of cancer."

Jan was diagnosed with Stage 4 breast cancer in June 2009 after undergoing a routine bone scan for an unrelated injury. A wife and mother, Jan described her initial diagnosis as a complete shock. "I remember just the sensation of having the wind sucked out of my lungs, a sucker punch, or something that stops you mid-stride," says Jan about her diagnosis. "And then as you begin to breathe again, there's this one million questions that circle your mind."

Watch Jan's inspirational story and learn more about how she overcame breast cancer.

A tumor is a mass of abnormal tissue. There are two types of breast cancer tumors: those that are non-cancerous, or ‘benign’, and those that are cancerous, which are ‘malignant’.

Benign Tumors

When a tumor is diagnosed as benign, doctors will usually leave it alone rather than remove it. Even though these tumors are not generally aggressive toward surrounding tissue, occasionally they may continue to grow, pressing on organs and causing pain or other problems. In these situations, the tumor is removed, allowing pain or complications to subside.

Malignant tumors

Malignant tumors are cancerous and aggressive because they invade and damage surrounding tissue. When a tumor is suspected to be malignant, the doctor will perform a biopsy to determine the severity or aggressiveness of the tumor.

Metastatic cancer

Metastatic cancer is when cancer cells of a malignant tumor spread to other parts of the body, usually through the lymph system, and form a secondary tumor.

Tumor grades

Tumor grading is a system used to classify a malignant breast cancer tumor based upon the severity of the mutation and the likelihood that it will spread. The breast cancer cells are examined under a microscope to determine, among other factors, how closely the breast cancer cells resemble the healthy cells (called the histologic grade) and the shape and size of the tumor cells’ nuclei (called the nuclear grade) as well as how rapidly those cells divide and multiply.

When dealing with breast cancer, tumors are often graded based on a scale of one to three indicating how aggressive the cancerous cells are:

  • Low grade (1) - Well-diffentiated
  • Intermediate grade (2) - Moderately differentiated
  • High grade (3) - Poorly differentiated

Low grade tumors look more like normal tissue under the microscope. High-grade tumors look abnormal and less like normal tissue and tend to be more aggressive.

Breast cancer tumor grades are not to be confused with cancer stages. Tumor grades help to determine the best treatment plan, and in general, a lower grade tumor means a better chance for a full recovery. However, there are individuals who make full recoveries at every stage and with even the highest grades of aggressive tumors.

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