Is this benign tumor more common than atrial myxoma?
No: cardiac hemangioma accounts for 5-10% of benign cardiac tumors.
What is the typical cardiac chamber affected by this tumor?
There is no chamber predilection.
MRI images of a biopsy-proven cardiac hemangioma.
Intraluminal mass arising from the RV free wall, hyperintense in T2 weighted images with classic hemangioma-like discontinuous nodular enhancement.