Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral radiographs of the chest demonstrate a large right pleural effusion which appears stable from prior . Unchanged opacification of the right upper lobe related to prior radiation . New mild vascular congestion on the left . No focal consolidation of left lung or pleural effusion . No pneumothorax . Stable heart size and mediastinal contours .
    OUTPUT:
    
Increased pulmonary vascular congestion in the left lung . No significant change from prior of large right pleural effusion and post treatment changes .