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Figure 1. Multiple imaging modalities have been used to detect suspected cardiac melanoma. (A) Echocardiogram showing a 3.1 cm × 2.4 cm mobile echodensity at the apex of the left ventricle concerning for thrombus or tumor. (B) Chest CT showing a 4.3 cm mass in the right ventricle consistent with malignancy. (C) Cardiac T2-weighted MRI displaying a mixed tumor and thrombus at the apex of the left ventricle. (D) PET scan of a hypermetabolic mass at the apex of the left ventricle.