Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . Right upper lobe and right perihilar opacity is compatible with known malignancy . No evidence of pneumonia or CHF . No large effusion or pneumothorax . The heart size is within normal limits . Bony structures appear intact .
    OUTPUT:
    
Opacity in the right upper lobe and suprahilar region is consistent with known malignancy . No convincing sign of superimposed pneumonia .