Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP and lateral views of the chest . There are increased interstitial markings throughout the lungs bilaterally and a small right and perhaps trace left pleural effusion . The cardiomediastinal silhouette is within normal limits . No acute osseous abnormality is identified . Rounded calcific density , measuring 2 .3 cm , seen on the lateral view projecting over the upper abdomen , not seen on the frontal and is of uncertain etiology .
    OUTPUT:
    
1 . Findings suggestive of mild pulmonary edema and right greater than left effusions . 2 . Calcific density projecting over the abdomen on the lateral view is of uncertain etiology .