Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac , mediastinal and hilar contours appear stable . There are new patchy densities in the left lower lung as well as a vague focal new opacity in the left upper lobe . These findings are concerning for pneumonia . Vague right upper lobe opacity has mostly resolved , however . There is a small pleural effusion on the left . A round 3 mm diameter focus suggests a very small nodular density of nodule , possibly calcified . The chest is hyperinflated .
    OUTPUT:
    
Findings suggesting multifocal pneumonia in the left lung . Small suspected calcified nodule in the right lung , not significantly changed .