Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The chin overlies the right apex and upper mediastinum significantly limiting evaluation . Lung volumes are low . Yhe right hemidiaphragm is poorly visualized due to right basilar opacities , likely a combination of atelectasis and small pleural effusion . Atelectasis is also noted in the left lung base . The cardiac silhouette is poorly visualized and evaluated due to the low lung volumes . The mediastinum is not significantly changed since the next most recent radiograph . There is mild prominence of the central pulmonary vasculature without evidence of frank pulmonary edema . The aorta is tortuous and calcified . There is no evidence of a large pneumothorax .
    OUTPUT:
    
Limited evaluation ; Bibasilar atelectasis and possible small right pleural effusion , underlying infection can not be excluded . Mild prominence of the central pulmonary vasculature without evidence of frank pulmonary edema .