Fig. 1From: A primary neuroendocrine tumor of the left ventricle presenting with diarrhea—an unusual experience and literature reviewa Echocardiography showed a homogeneous mass in the left ventricle (the yellow arrow). b, c Magnetic resonance imaging (MRI) showed a longer T2 signal of the left ventricular mass (the yellow arrow). d MRI demonstrating round mass with clear boundary in left ventricle (the yellow arrow)Back to article page