Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A new left basilar linear opacity most likely represents atelectasis , although aspiration or pneumonia can not be excluded . A small new left pleural effusion is present . There has been a mild increase in the pulmonary vasculature engorgement , but no interstitial edema . The cardiac silhouette has slightly increased in size from the prior radiograph .
    OUTPUT:
    
1 . Probable left basilar atelectasis , although aspiration or small new pneumonia can not be excluded . 2 . Small left pleural effusion . 3 . Mild cardiomegaly and vascular engorgement without evidence of pulmonary edema . Results were communicated with ___ at 11 :00 a .m . on ___ via telephone by Dr . ___