Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Upright portable view of the chest demonstrates left lower lobe consolidation . Diffuse opacification of the left hemithorax is not significantly changed since study obtained five hours prior . The right lung is clear without pleural effusion or pneumothorax . The hilar and mediastinal silhouettes are unremarkable . Heart size is difficult to discern due to adjacent opacities .
    OUTPUT:
    
Persistent left lower lobe consolidation and large left pleural effusion , unchanged .