Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Right upper lobe opacities have improved , but right lower lobe and left upper lobe opacities have worsened . There is no pneumothorax or pleural effusion . Mediastinal and cardiac contours are normal .
    OUTPUT:
    
1 . Right upper lobe opacities have improved and could be related to an infectious process in a patient who receiveD antibiotics . 2 . The patient has already been investigated with multiple CT and chest x-rays for bilateral subpleural consolidation that are coming and going . Right upper lobe consolidation and left upper lobe opacities have increased since ___ . The evolution and characteristics are more consistent with COP than eosinophilic pneumonia .