the.com/melanoma

A dangerous skin cancer that can spread quickly if not found and treated early.

means A cancer that starts in melanocytes, the pigment-making cells in your skin (or sometimes eyes), and can spread aggressively if not caught early.

from From Greek *melas* ('black, dark') plus the medical suffix *-oma* ('tumor, swelling'), the same root that gives us 'melanin' and 'melancholy' (literally 'black bile'). Doctors bolted the two together in the 1800s to name tumors of pigment cells — a plainly descriptive label for something that, true to its name, usually shows up dark.

deadliest skin cancer
causes most skin cancer deaths despite being rarer type
abcde rule
asymmetry, border, color, diameter, evolving — check all five
hides anywhere
can grow under nails, in eyes, even where sun never hits
early catch wins
caught early, survival rate exceeds 99 percent
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