Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Crescentic lucency underlying the left hemidiaphragm likely corresponds to the distended stomach seen on recent CT . There is no evidence for pneumoperitoneum . Bibasilar linear atelectasis is noted . There is no focal consolidation , pulmonary edema , or pneumothorax . There is a trace left pleural effusion . The aortic arch is calcified . The cardiomediastinal silhouette is otherwise unremarkable .
    OUTPUT:
    
No evidence of pneumoperitoneum . No evidence of acute cardiopulmonary process .