Cancer occurs when abnormal cells divide uncontrollably, interrupting functions throughout the body. With the exception of blood cancer, most cancers develop as solid tumors, damaging or shutting down affected organs. Cancerous cells can quickly spread to other parts of the body and, as such, the prognosis is best when doctors identify the condition and begin treatment as early as possible.
There are several types of skin cancer, including squamous cell, basal cell, and melanoma. Squamous cell presents with red, scaly bumps that may itch or bleed when scraped. A pearly nodule similar to acne pimple or a flat scar can indicate basal cell cancer. These two types are often slow-growing and easy to treat. Melanoma is more serious and presents as an asymmetrical, dark-colored mole. The growth may change shape over time, and the cancerous cells can spread to other parts of the body.
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