Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Diffuse airspace opacities are noted throughout the left lung , with greater involvement of the left upper lobe within the lingula and left lower lobe . Additionally , there are focal patchy opacities in the right apical lung and right lung base concerning for bialteral pneumonia . A loculated moderate - sized left pleural effusion and a small right pleural effusion are present . The heart is enlarged . Degenerative thoracic spine disease is also seen . There is no pneumothorax .
    OUTPUT:
    
1 . Diffuse left lung airspace opacification is consistent with history of left lung pneumonia . Moderate loculated left pleural effusion raises concern for complicated parapneumonic effusion / empyema . Additional patchy opacities in right lung are likely secondary to pneumonia as well . 2 . Recommend follow - up chest radiograph in ___ weeks to document resolution after antibiotic therapy .