Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal views of the chest show no consolidation , pleural effusion , or pneumothorax . Increased prominence of the pulmonary vasculature is likely due to low lung volumes . The cardiomediastinal silhouette is unremarkable and unchanged from prior exams . Sternotomy wires and mediastinal clips are present . No fracture is identified .
    OUTPUT:
    
No acute cardiopulmonary process . Increased prominence of pulmonary vasculature is likely due to low lung volumes .