Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Tracheostomy tube tip terminates approximately 2 .6 cm from the carina , in unchanged position . Stimulator device is again noted projecting over the left chest , with lead coursing cephalad into the neck . The heart remains moderately enlarged . The mediastinal and hilar contours are stable . Low lung volumes are present . There is mild pulmonary vascular congestion . No focal consolidation , pleural effusion or pneumothorax is identified . Dextroscoliosis of the thoracic spine is again noted . There is no acute osseous abnormality .
    OUTPUT:
    
Low lung volumes with mild pulmonary vascular congestion .