Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There are diffuse bilateral parenchymal opacities most confluent on the right perihilar region but seen bilaterally and throughout the lungs with some peripheral sparing on the right . There is no effusion . There is mild enlargement cardiac silhouette as well as apparent enlargement of the main pulmonary artery . No acute osseous abnormalities .
    OUTPUT:
    
Diffuse bilateral parenchymal opacities throughout the lungs which could represent multifocal or atypical infection although edema is possible . Mild enlargement of cardiac silhouette potentially due to underlying cardiomegaly although pericardial effusion is possible . Probable enlargement of main pulmonary artery as well which can be seen in setting of pulmonary hypertension .