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1.

Malignant Neoplasm

Cancer begins in your cells, which are the building blocks of your body. Normally, your body forms new cells as you need them, replacing old cells that die. Sometimes this process goes wrong. New cells grow even when you don't need them, and old cells don't die when they should. These extra cells can form a mass called a tumor. Tumors can be benign or malignant. Benign tumors aren't cancer while malignant ones are. Cells from malignant tumors can invade nearby tissues. They can also break away and spread to other parts of the body. . Cancer is not just one disease but many diseases. There are more than 100 different types of cancer. Most cancers are named for where they start. For example, lung cancer starts in the lung, and breast cancer starts in the breast. The spread of cancer from one part of the body to another is called metastasis. Symptoms and treatment depend on the cancer type and how advanced it is. Most treatment plans may include surgery, radiation and/or chemotherapy. Some may involve hormone therapy, biologic therapy, or stem cell transplantation. . NIH: National Cancer Institute.  [from MedlinePlus]

MedGen UID:
14297
Concept ID:
C0006826
Neoplastic Process
2.

Malignant PEComa

A usually large and aggressive tumor with perivascular epithelioid cell differentiation characterized by the presence of marked nuclear atypia, pleomorphism, increased mitotic activity, necrosis, and infiltrative margins. The most common metastatic sites are liver, lungs, lymph nodes, and bone. [from NCI]

MedGen UID:
824908
Concept ID:
C3839062
Neoplastic Process

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