Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size remains mild to moderately enlarged . Aortic knob is calcified . There is mild pulmonary vascular congestion . Focal patchy opacities within the right upper lobe and left lung base are new in the interval , and are concerning for areas of infection . Small bilateral pleural effusions are also new . There is no pneumothorax . Vascular calcifications are seen within the medial aspect of the left upper arm .
    OUTPUT:
    
Patchy opacities in the right upper lobe and left lung base , new from the prior study , concerning for areas of infection . Mild pulmonary vascular congestion and small bilateral pleural effusions .