C44.5: Malignant neoplasm: Skin of trunk

Malignant neoplasms of the skin of the trunk, also known as skin cancer, are harmful, fast-growing tumors that form in the skin tissues of the torso. These can occur anywhere on the trunk—chest, abdomen, or back. The cancer typically starts in the top layer of the skin, called the epidermis. It can originate from various cells, allowing for a variety of types and severity. Long-term exposure to the sun's ultraviolet (UV) radiation or frequent use of tanning beds is often a contributing factor to the development of this condition. Common symptoms may include changes in skin color, a sudden or growing skin lesion, or a sore that doesn't heal. This condition can advance rapidly if unnoticed or untreated, potentially spreading to other body parts and systems. Early detection is crucial for effective management.

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