You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is The most common presentation of a blue rubber bleb nevus syndrome is: and explain in detail?
Blue rubber bleb nevus syndrome is a rare disorder characterized by the development of cavernous hemangiomas, most commonly involve the skin and the GI tract. The most common presentations of blue rubber bleb nevus syndrome are either the appearance of the skin lesions alone or iron deficiency anemia. Ref: American Gastroenterological Association (AGA) Institute Technical Review on Obscure Gastrointestinal Bleeding 2007.