Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP single view of the chest has been obtained with patient in semi-upright position . Analysis is performed in direct comparison with the next preceding similar study of ___ . The heart is moderately enlarged and within the heart shadow , typical advanced mitral ring calcifications can be identified . Thoracic aorta is moderately widened and elongated but unchanged . No local contour abnormalities are present . The pulmonary vasculature is not congested and there is no evidence of pleural effusions as the lateral pleural sinuses are free . There are some hazy scattered infiltrates in the left lung base close to the diaphragmatic border , a finding which has slightly increased in comparison with the previous examination and is compatible with aspiration pneumonitis . These changes are rather small . No other pulmonary abnormalities can be identified . No pneumothorax exists in the apical area .
    OUTPUT:
    
Hazy small parenchymal infiltrates in the left lung base consistent with aspiration pneumonia . Followup is recommended .