C45-C49: Malignant neoplasms of mesothelial and soft tissue
Malignant neoplasms of mesothelial and soft tissue are a group of cancers that form in the cells of mesothelial and soft tissues. Mesothelial cells line the chest, abdomen, and the space around the heart, while soft tissues include muscles, fat, blood vessels, nerves, tendons, and the lining of your joints. These cancers typically begin as an abnormal growth of cells that multiply in an uncontrolled way. Over time, this abnormal cell proliferation can result in a mass or tumor. Common symptoms include a lump or swelling, persistent pain or soreness, unexplained weight loss, fatigue, or a noticeable change in body functions. As the disease progresses, the cancerous cells may spread beyond their original site to nearby tissues or throughout the body. Although the exact causes of these cancers are generally unknown, it can be associated with exposure to certain chemicals, radiation, or inherited mutations. It is noteworthy that anyone can develop these kinds of cancers, but they are more commonly diagnosed in adults.
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