Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is interval development of nodular opacities in the left upper lobe from ___ concerning for developing infection . There is no significant pleural effusion or pneumothorax . The lungs appear slightly hyperinflated . There is no pulmonary vascular congestion or edema . The cardiomediastinal and hilar contours are within normal limits .
    OUTPUT:
    
Nodular opacities in the left upper lobe concerning for developing infection from ___ . Followup chest radiograph is recommended in six to eight weeks after an appropriate course of therapy to confirm resolution .