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Diseases » Breast Cancer » Summary
 

What is Breast Cancer?

What is Breast Cancer?

Breast cancer is a malignant disease that occurs when there is an uncontrolled growth of abnormal cells ...more »

  • Breast Cancer: Cancer of the breast.
  • Breast Cancer: A breast neoplasm with metastatic potential arising from the breast parenchyma or the nipple. The most common are breast carcinomas. Malignant breast neoplasms occur more frequently in females than in males. -- 2003
    Source - Diseases Database
  • Breast Cancer: cancer of the breast; one of the most common malignancies in women in the US.
    Source - WordNet 2.1

Breast Cancer: Introduction

Types of Breast Cancer:

Types of Breast Cancer:

  • Breast carcinoma
  • Breast sarcoma (type of Sarcoma)
  • Paget's Disease
  • Lobular carcinoma in situ (LCIS) - a benign tumor; often called "Stage 0 breast cancer".
  • Ductal carcinoma in situ (DCIS) - also called "intraductal carcinoma"; also sometimes called "Stage 0 breast cancer".
  • Ductal carcinoma - starts in the lining of the ducts.
  • Lobular carcinoma - starts in the lobules.
  • Estrogen receptor-positive breast cancer - tumors that react to estrogen.
  • Stages of breast cancer:
    • Stage 0 breast cancer - also called "noninvasive carcinoma" or "carcinoma in situ"; may also refer to LCIS or DCIS.
    • Stage I breast cancer - early-stage small tumor that has spread beyond the lobule but is less than an inch across; has not spread beyond the breast (i.e. not to underarm lymph nodes)
    • Stage II breast cancer - early-stage tumor that has spread to underarm lymph nodes, or is more than 2 inches without spreading to lymph nodes, or is too large for Stage I.
    • Stage III breast cancer - also "locally advanced cancer"; either the tumor is more than 2 inches, or the underarm lymph involvement is extensive, or the cancer has spread further (e.g. around the chest area).
    • Stage IV breast cancer - metastatic breast cancer that has spread to other parts of the body.
  • Inflammatory breast cancer - a type of Stage III locally advanced breast cancer.
  • Recurrent breast cancer - a recurrence of a previous breast cancer; can be a " local recurrence" in the breast or a "distant recurrence" (metastatic).
  • more types...»

Broader types of Breast Cancer:

How many people get Breast Cancer?

Incidence (annual) of Breast Cancer: 205,000 annual cases (SEER 2002 estimate); 180,000 annual cases (NCI); only about 1,000 men
Incidence Rate of Breast Cancer: approx 1 in 1,326 or 0.08% or 205,000 people in USA [about data]
Undiagnosed prevalence of Breast Cancer: estimated 1 million
Undiagnosed prevalence rate of Breast Cancer: approx 1 in 272 or 0.37% or 1 million people in USA [about data]
Lifetime risk of Breast Cancer: 1 in 8 women lifetime risk in USA (NWHIC); 1 in 11 women will develop breast cancer during their lifetime in Australia 2000 (AIHW and AACR, AIHW National Mortality Database, Australia’s Health 2004, AIHW)
Incidence of Breast Cancer: More than 180,000 women are diagnosed with breast cancer each year. (Source: excerpt from What You Need To Know About Breast Cancer: NCI)

Who gets Breast Cancer?

Patient Profile for Breast Cancer: Typically older women; 76% of cases are over 50 (CDC).

Profile for Breast Cancer: Most breast cancers occur in women over the age of 50, and the risk is especially high for women over age 60. (Source: excerpt from What You Need To Know About Breast Cancer: NCI)

Gender Profile for Breast Cancer: 99% women; mostly women. Also some men.

Race Profile for Breast Cancer: Also, breast cancer occurs more often in white women than African American or Asian women. (Source: excerpt from What You Need To Know About Breast Cancer: NCI)

Racial Information for Breast Cancer: Native Hawaiians have the highest breast cancer death rate for any racial/ethnic group in the U.S.: 37.2 per 100,000. Scientists are currently researching possible explanations for this trend. Chinese American and Japanese American women have higher rates than their counterparts in China and Japan. At first it was believed a higher fat – Western diet could explain the difference, but this has not been proven. (Source: excerpt from Asian & Pacific Islander Women's Health: NWHIC)

How serious is Breast Cancer?

Prognosis of Breast Cancer: Depends on severity. Early detection has good chances.
Complications of Breast Cancer: see complications of Breast Cancer
Survival rate for Breast Cancer: 78% survival rate in the UK 2001 (National Statistics – UK Government Census, 2001)
Average life years lost for Breast Cancer: 18.6 years (SEER)1
Deaths for Breast Cancer: 41,100 deaths in 1999 (CDC); 41,528 deaths reported in USA 1999 (NVSR Sep 2001)

What causes Breast Cancer?

Causes of Breast Cancer: see causes of Breast Cancer
Risk factors for Breast Cancer: see risk factors for Breast Cancer

What are the symptoms of Breast Cancer?

Symptoms of Breast Cancer: see symptoms of Breast Cancer

Complications of Breast Cancer: see complications of Breast Cancer

Can anyone else get Breast Cancer?

Contagion of cancer: generally not; see details in contagion of cancer.
More information: see contagiousness of Breast Cancer
Inheritance: see inheritance of Breast Cancer

Breast Cancer: Testing

Diagnostic testing: see tests for Breast Cancer.

Misdiagnosis: see misdiagnosis and Breast Cancer.

How is it treated?

Doctors and Medical Specialists for Breast Cancer: Surgeons, Medical oncologists, Plastic surgeons, Radiation oncologists ; see also doctors and medical specialists for Breast Cancer.
Treatments for Breast Cancer: see treatments for Breast Cancer
Alternative treatments for Breast Cancer: see alternative treatments for Breast Cancer
Prevention of Breast Cancer: see prevention of Breast Cancer
Research for Breast Cancer: see research for Breast Cancer

Society issues for Breast Cancer


Cost statistics for Breast Cancer: The following are statistics from various sources about costs and Breast Cancer:

  • $96.1 million spent on breast cancer in Australia 2000-01(Australia’s Health 2004, AIHW)
  • more statistics...»


Hospitalization statistics for Breast Cancer: The following are statistics from various sources about hospitalizations and Breast Cancer:
  • 17,321 admissions to public hospitals for procedures on breast diseases in Australia 2001-02 (AIHW National Hospital Morbidity Database, Australia’s Health 2004, AIHW)
  • 27,688 admissions to private hospitals for procedures on breast in Australia 2001-02 (AIHW National Hospital Morbidity Database, Australia’s Health 2004, AIHW)
  • 39.4% of hospitalisations for procedures on breast were single day in private hospitals in Australia 2001-02 (AIHW National Hospital Morbidity Database, Australia’s Health 2004, AIHW)
  • 45.5% of hospitalisations for procedures on breast diseases were single day in public hospitals in Australia 2001-02 (AIHW National Hospital Morbidity Database, Australia’s Health 2004, AIHW)
  • more statistics...»

Organs Affected by Breast Cancer:

Organs and body systems related to Breast Cancer include:

Name and Aliases of Breast Cancer

Main name of condition: Breast Cancer

Class of Condition for Breast Cancer: cancer

Other names or spellings for Breast Cancer:

breast tumor, cancer of the breast

Breast Cancer: Related Conditions

Research the causes of these diseases that are similar to, or related to, Breast Cancer:



Footnotes:
1. SEER Cancer Statistics Review 1975-2000, National Cancer Institute (NCI)
 

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