Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Tracheostomy tube is in stable position . Pulmonary vascular congestion is again noted . Focal linear opacity in the left midlung is chronic and may be due to scarring . There is no pleural effusion . Cardiomegaly is again noted . No acute osseous abnormalities .
    OUTPUT:
    
Pulmonary vascular congestion . No focal consolidation .