Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Subtle 1 , 4 cm density at right upper lobe overlying anterior third rib could be a new lung lesion . The rest of lung is unremarkable . There is no pleural effusion or pneumothorax . Mediastinal and cardiac contours are normal .
    OUTPUT:
    
Subtle right upper lobe 1 .4 cm density could be a superimposition of normal structures or a real lesion . Suggest either doing shallow PA oblique views or CT scan . This will have been submitted to the radiology dashboard for direct notification of referring physician .