Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Again seen is the pacemaker type device , with 3 leads , unchanged in appearance . Also again seen is cardiomegaly , also essentially unchanged . Patchy predominantly linear markings in the right cardiophrenic region are improved . The previously seen small right pleural effusion is also markedly improved if not completely resolved . Minimal blunting of the left costophrenic angle is unchanged . Doubt CHF .
    OUTPUT:
    
Minimal residual opacity in the right cardiophrenic region . No overt CHF or frank consolidation .