Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest were obtained . The heart is normal in size and cardiomediastinal contour is unremarkable . Bibasilar opacities most likely atelectasis , alternatively aspiration , as seen on the CT that followed . There is no pleural effusion or pneumothorax . Enlarged spleen displaces stomach medially .
    OUTPUT:
    
Bibasilar opacities likely represent atelectasis as seen on the CT scan that followed , otherwise unremarkable . This examination neither suggests nor excludes the diagnosis of pulmonary embolism . Splenomegaly .