Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Patchy right lower lobe opacity is worrisome for pneumonia or aspiration . Blunting of the posterior right costophrenic angle may be due to a trace pleural effusion . No left pleural effusion is seen . The cardiac and mediastinal silhouettes are stable . There is no pulmonary edema . Skin fold noted overlying the right hemi thorax . Midline tracheostomy tube is noted . Vascular stenting is noted at the thoracic inlet .
    OUTPUT:
    
Patchy right lower lobe opacity raises concern for infection or aspiration .