👉 Lymphangiomas are benign tumors that arise from blood vessels in the skin. They can range in size and appearance from small to large, but they often appear as a single lump or cluster of lumps on the skin. The exact cause of lymphangiomas is not known, but some theories suggest that they may be related to an overactive immune system or genetic factors. While lymphangiomas are generally considered harmless and do not typically require medical attention, if they grow rapidly or become painful,
