Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lateral view is suboptimal due to overlying arms . No focal consolidation or pneumothorax is seen . Blunting of the right costophrenic angle is seen on lateral view , which may represent tiny pleural effusion or scarring . Compared to prior exams , there is slight increased pulmonary vascular prominence , which may be predominantly technical . Few bibasilar linear opacities may represent atelectasis . Heart size is top normal to mildly enlarged . Aortic calcifications are again noted . Mitral annulus calcification is again noted .
    OUTPUT:
    
Possible mild increased pulmonary vascular prominence and possible tiny right pleural effusion .