Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral chest radiograph demonstrates trace amount of pneumoperitoneum as indicated by air underneath the right and left hemidiaphragms . Lungs appear clear with no focal opacity convincing for pneumonia . Two relatively rounded and dense structures project over the left upper lung over the anterior first and second ribs which may be calcified granulomas or potentially within the overlying osseous structures . No evidence of pulmonary edema , pneumothorax , or pleural effusion . Heart is mildly enlarged . Hilar and mediastinal contour otherwise is unremarkable .
    OUTPUT:
    
Trace amount of pneumoperitoneum in keeping with recent surgery one day prior . No acute abnormality within the chest . Findings discussed with ___ physician ___ . ___ to correlate history of recent surgery by Dr . ___ ___ telephone at 16 :32 on ___ upon review of the film .