Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Enlargement of cardiac silhouette may reflect cardiomegaly or pericardial effusion . Nonspecific pleural and parenchymal opacities at the left apex are difficult to assess due to patient rotation and superimposition of adjacent ribs . Lungs are otherwise clear , and there are no pleural effusions . Mild scoliosis is noted .
    OUTPUT:
    
Nonspecific pleural and parenchymal opacities in the left apex , for which initial further evaluation is recommended by an apical lordotic chest radiograph Enlarged cardiac silhouette which may be due to cardiomegaly or pericardial effusion .