Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A portable frontal semi supine chest radiograph demonstrates a normal cardiomediastinal silhouette and well - aerated lungs without focal consolidation , effusion , or pneumothorax . There is prominent pulmonary vasculature . The visualized upper abdomen is unremarkable .
    OUTPUT:
    
No acute cardiopulmonary process . Prominent upper lobe pulmonary vasculature is noted , which could in part be due to patient positioning .