Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Two AP portable upright views of the chest and upper abdomen . There is no free air . The previously seen right medial basal parenchymal opacity with possibly air bronchograms is less apparent . This could represent aspiration or possible developing pneumonia . Moderate cardiomegaly is unchanged . No pleural effusions or pneumothorax .
    OUTPUT:
    
No evidence of free air . The previously seen right medial basal parenchymal opacity with possibly air bronchograms is smaller . If further assessment is warranted , a PA and lateral films can be done .