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H - I - J - K - L Terms

Learn H - I - J - K - L Breast Cancer Medical Terms.

Hematocrit (HCT) - Blood Test Given During Breast Cancer Treatment
Hematocrit (HCT) is a routine blood test given during treatment for breast cancer, to get a count of your red blood cells and to see what size those cells are.

Hemoglobin - Definition of Hemoglobin and Relation to Your Complete Blood Count
Hemoglobin is the substance in your red blood cells that carries oxygen from your lungs to your tissues.

Hormone - Definition of Breast Cancer Hormones
Hormone - chemicals that affect gender, sexual functions, reproduction, and tumor growth or suppression

Huber Needle Definition
Huber needles are used for several different medical procedures. Huber needles are used with chemotherapy ports and other devices. Learn more about Huber needles here.

Hyperplasia – Definition of Breast Hyperplasia - Benign Breast Condition
Hyperplasia occurs when cells within an organ or tissue grow larger and faster than expected.

IGF – Insulin Like Growth Factor Definition
IGF, or insulin like growth factor, is a substance that may have an impact on premenopausal breast cancer development. IGF 1 and IGF 2 are important to cell growth. Learn more about IGF here.

In situ - Definition of In Situ Breast Cancer
In situ - a Latin phrase meaning in one place

Intensity Modulated Radiation Therapy - IMRT Definition
Intensity Modulated Radiation Therapy (IMRT) can be used to treat several kinds of cancer. Intensity modulated radiation therapy is a very sophisticated form of three-dimensional conformal radiotherapy (3DCRT). Learn more about intensity modulated radiation therapy here.

Interstitial Brachytherapy Definition
Interstitial Brachytherapy is one method of treating breast cancer. Learn the definition of interstitial brachytherapy, and how it relates to breast cancer treatment.

Intracavity Brachytherapy Definition
Intracavity Brachytherapy Definition

Isoflavone – Definition of Isoflavone
Learn the definition of isoflavone

Latissimus Dorsi Muscle
The latissimus dorsi is a broad, triangular flat muscle on your back. It is connected to bones in your spine, shoulder and arms.

A lignan is a phytochemical (plant-based substance) that can act like human estrogen.

Lobes are part of the milk production system within your breast. Cancer can also occur within the breast lobes and lobules. Read more about mammary lobes.

Lymph Fluid Definition
Lymph fluid and lymph nodes are important to your body's defense system and to the detection of cancer. Learn more about lymph here.

Lymph Nodes - Definition of Lymph Nodes and Relation to Breast Cancer
Lymph nodes - a small filter in the lymph system

Lymphedema - Definition of Lymphedema, Lymphatic Obstruction
Lymphedema is a condition that occurs when lymph nodes have been removed or damaged and lymphatic fluid collects in those tissues, causing swelling (edema).

Lymphocyte - Definition of Lymphocyte - White Blood Cell
A lymphocyte is one type of white blood cell, part of the immune system, which is found in the blood and lymph systems.

Lymphoscintigraphy Definition - Lymphoscintigraphy Used for Sentinel Node Biopsy
Lymphoscintigraphy is a technique that is used to determine the sentinel lymph node (first lymph nodes the tumor is draining into).

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