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Figure 1: Echocardiogram showing a large interventricular septal tumor (left upper panel), magnetic resonance imaging showing interventricular tumor nearly occupying the entire septum (left Lower Panel), epicardial ultrasonography showing cystic lobulated tumor mass in the right ventricle and septum with a needle inside the tumor and echocardiogram changes (Right Lower Panel). QRS duration prolongation over time (Right upper panel)

Figure 1: Echocardiogram showing a large interventricular septal tumor (left upper panel), magnetic resonance imaging showing interventricular tumor nearly occupying the entire septum (left Lower Panel), epicardial ultrasonography showing cystic lobulated tumor mass in the right ventricle and septum with a needle inside the tumor and echocardiogram changes (Right Lower Panel). QRS duration prolongation over time (Right upper panel)