Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There has been interval decrease in lung volumes bilaterally with worsening left lower lung atelectasis and new opacity concerning for an infectious process . The heart is stable and top normal in size with no evidence of failure . There is no pleural effusion or pneumothorax . Right - sided Port - A - Cath and left - sided PICC catheter both appropriately positioned and terminate within the low SVC .
    OUTPUT:
    
1 ) Increasing left lower lung zone opacity concerning for pneumonia . 2 ) Worsening low lung volumes and left basilar atelectasis .