Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Posterior spinal hardware appears to be in similar configuration from ___ . A dextroscoliosis of the thoracic spine persists . There has been improved aeration at the right lung base , though , residual opacity persists in comparison to ___ . Consolidation at the left lung base is new . No pleural effusion or pneumothorax . Heart is normal size is the . Mediastinum hilar structures are unremarkable .
    OUTPUT:
    
New left lower lobe consolidation , worrsiome for aspiration / infection .