Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest demonstrate low lung volumes without pleural effusion , focal consolidation , or pneumothorax . The hilar and mediastinal silhouettes are unremarkable . Heart size is top normal . Mild pulmonary vascular congestion is noted . Left cardiac border is obscured , most likely due to overlying soft tissues .
    OUTPUT:
    
Pulmonary vascular congestion most commonly reflects cardiac decompensation . No pulmonary edema .