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Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
Which of the following statements about Atrial myxomas is true
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The correct answer is  Ref Harrison 19 th ed pg 1577; 289e-1 Pathologically, myxomas are gelatinous structures that consist of myxoma cells embedded in a stroma rich in glycosaminoglycans. Most are solitary, arise from the interatrial septum in the vicinity of the fossa ovalis (paicularly the left atrium), and are often peduncu- lated on a fibrovascular stalk.