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Cancer is a group of diseases involving abnormal cell growth with the potential to invade or spread to other parts of the body. [3] [4] Cancer can be difficult to diagnose because its signs and symptoms are often nonspecific, meaning they may be general phenomena that do not point directly to a specific disease process.
Kaposi's sarcoma. Characteristic purple lesions of Kaposi's sarcoma on the nose of an HIV-positive female. [ 1] Kaposi's sarcoma ( KS) is a type of cancer that can form masses on the skin, in lymph nodes, in the mouth, or in other organs. [ 4][ 6] The skin lesions are usually painless, purple and may be flat or raised. [ 6][ 8] Lesions can ...
Melanoma is the most dangerous type of skin cancer.[2] Globally, in 2012, it newly occurred in 232,000 people.[2] In 2015, 3.1 million people had active disease, which resulted in 59,800 deaths. [5][6]Australia and New Zealand have the highest rates of melanoma in the world.[2]
breast cancer lump picture (TODAY Illustrations) "The most common sign of breast cancer is a lump, deep in the breast. It often feels hard, like a lemon seed, and usually immovable. It can be any ...
1.8 million (2020) [ 3] Lung cancer, also known as lung carcinoma, is a malignant tumor that begins in the lung. Lung cancer is caused by genetic damage to the DNA of cells in the airways, often caused by cigarette smoking or inhaling damaging chemicals. Damaged airway cells gain the ability to multiply unchecked, causing the growth of a tumor.
Laryngeal cancer may spread by: direct extension to adjacent structures, metastasis to regional cervical lymph nodes, or via the blood stream. The most common site of distant metastases is the lung. Laryngeal cancer occurred in 177,000 people in 2018, and resulted in 94,800 deaths (an increase from 76,000 deaths in 1990).
Skin cancers are cancers that arise from the skin. They are due to the development of abnormal cells that have the ability to invade or spread to other parts of the body. [ 10] Skin cancer is the most commonly diagnosed form of cancer in humans. [ 11][ 12][ 13] There are three main types of skin cancers: basal-cell skin cancer (BCC), squamous ...
Cancer is a group of diseases that involve abnormal increases in the number of cells, with the potential to invade or spread to other parts of the body. [1] Not all tumors or lumps are cancerous; benign tumors are not classified as being cancer because they do not spread to other parts of the body. [ 1 ]