Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest demonstrate normal lung volumes without focal consolidation , pleural effusion or pneumothorax . Hilar and mediastinal silhouettes are unremarkable . Heart size is normal . Nodular opacity projects over right upper lobe . Partially imaged upper abdomen is unremakable .
    OUTPUT:
    
Nodular opacity projects over right upper lobe , which may represent summation of shodows , however underlying nodule can not be exluded . Lordotic and shallow oblique views are recommended for further assessment .