Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size is within normal limits . The mediastinal and hilar contours are normal . The lungs again demonstrate an ill - defined opacity projecting over the right upper lobe , similar in extent to prior exam . There is no pleural effusion or pneumothorax . No cavitary lesions or calcifications are present .
    OUTPUT:
    
Right upper lobe pneumonia - its appearance is nonspecific with regards to causative agent , so if TB is a concern clinically , isolation and correlation with sputum would be advised .