Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single frontal view of the chest was obtained . No focal consolidation , pleural effusion , or evidence of pneumothorax is seen . Mediastinal silhouettes are stable . No evidence of free air is seen beneath the diaphragm although the patient is semi-erect in position .
    OUTPUT:
    
No acute cardiopulmonary process . No evidence of free air beneath the diaphragms , however the patient is semi-erect in position .