Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A supine portable frontal chest radiograph demonstrates a normal cardiomediastinal silhouette and fairly well - aerated lungs which are without focal consolidation . Although patient positioning is suboptimal for the evaluation of pneumothorax or pleural effusion , neither is appreciated on this exam . The visualized upper abdomen is unremarkable .
    OUTPUT:
    
No acute cardiopulmonary process . Please note , however , the patient positioning is suboptimal for the evaluation of pneumothorax or pleural effusion .