Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There are new bilateral diffuse opacities , predominantly at the bases . There is obscuration of both the right and the left heart border . There is no pleural effusion or pneumothorax . The cardiomediastinal silhouette is normal in size . No fracture is identified . There is no free air below the hemidiaphragms . A right - sided Port - A - Cath is present with the tip near the atriocaval junction .
    OUTPUT:
    
1 . Bilateral diffuse opacities are new from ___ . The differential diagnosis is broad and includes infection or pulmonary edema . In the setting of trauma , contusion or aspiration can not be excluded . 2 . No evidence of fracture .