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If I have breast cancer, what could cause pain in my armpit?

ANSWER

It may come from:

The swelling and pain may happen before you feel a lump in your breast, so be sure to see a doctor if you have them.

  • The spread of breast cancer to your lymph nodes
  • Small bean-shaped structures called lymph nodes that are part of your immune system.

From: Why Does My Armpit Hurt? WebMD Medical Reference

SOURCES:

American Cancer Society: “Breast Cancer Symptoms: What You Need to Know,” “What Is Breast Cancer?” “Mastectomy,” “Breast-conserving Surgery (Lumpectomy),” “Radiation for Breast Cancer,” “Treatment of Breast Cancer Stages I-III,” “Hormone Therapy for Breast Cancer.”

National Cancer Institute: “NCI Dictionary of Cancer Terms: Lymph Nodes.”

Mayo Clinic: “Swollen Lymph Nodes,” “Muscle Strains.”

CDC: “Epstein-Barr Virus and Infectious Mononucleosis.”

KidsHealth: “Measles.”

PubMed Central: “A practical approach to imaging the axilla.”

Harvard Health Publishing: “Muscle Strain.”

Johns Hopkins Medicine: “What is Pain/Types of Pain Treated?”

Reviewed by Jennifer Robinson on September 19, 2019

SOURCES:

American Cancer Society: “Breast Cancer Symptoms: What You Need to Know,” “What Is Breast Cancer?” “Mastectomy,” “Breast-conserving Surgery (Lumpectomy),” “Radiation for Breast Cancer,” “Treatment of Breast Cancer Stages I-III,” “Hormone Therapy for Breast Cancer.”

National Cancer Institute: “NCI Dictionary of Cancer Terms: Lymph Nodes.”

Mayo Clinic: “Swollen Lymph Nodes,” “Muscle Strains.”

CDC: “Epstein-Barr Virus and Infectious Mononucleosis.”

KidsHealth: “Measles.”

PubMed Central: “A practical approach to imaging the axilla.”

Harvard Health Publishing: “Muscle Strain.”

Johns Hopkins Medicine: “What is Pain/Types of Pain Treated?”

Reviewed by Jennifer Robinson on September 19, 2019

NEXT QUESTION:

How can I ease the pain in my armpit if it comes from swollen lymph nodes?

WAS THIS ANSWER HELPFUL

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