Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Exam is technically limited by body habitus . Heart size is top - normal , improved compared to prior examination . Mild central vascular congestion . Hilar contours are otherwise unremarkable . Lungs are grossly clear . Pleural surfaces are clear without effusion or pneumothorax .
    OUTPUT:
    
Technically limited examination without evidence for focal consolidation . .