Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP upright and lateral views of the chest provided . Suture material is noted projecting over the left upper lung as on prior compatible with prior resection . There is focal opacity in the right lower lobe and left mid lung , could represent pneumonia though follow - up to resolution advised . There is a retrocardiac opacity containing a fluid level most compatible with a hiatal hernia . No large effusion or pneumothorax . Cardiomediastinal silhouette is unchanged . Bony structures are intact .
    OUTPUT:
    
Right lower and left mid lung opacities , concerning for pneumonia , though follow - up to resolution to exclude underlying mass .