Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There are low lung volumes , which accentuate the bronchovascular markings . Additionally , the patient 's arm overlies the lateral images , obscuring the view . No focal consolidation is seen . No pleural effusion or pneumothorax is seen . The cardiac mediastinal silhouettes are stable . The prior fracture / injury of the proximal left humerus is again noted .
    OUTPUT:
    
Low lung volumes . No definite focal consolidation . Limited lateral views due to the patient 's overlying arm .