Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral images of the chest were obtained with the patient in the upright position . There is a right pleural effusion . There is new atelectasis with a heterogeneous peribronchial opacification a the right lung base . Together , these findings could be consistent with pneumonia secondary to aspiration . There is calcification again noted in the aorta . Cardiomediastinal silhouette is unremarkable . Visualized osseous structures are unremarkable .
    OUTPUT:
    
New right basilar atelectasis with possible right pneumonia , suggestive of aspiration . Moderate bilateral pulmonary edema shows slight improvement since ___ .