Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The right lung is clear . The left lung again demonstrates a rounded left apical opacity , which is not significantly changed compared with prior CT and represents a loculated pleural effusion . Small amount of left pleural fluid is also noted at the base in this patient who is status post pleurodesis . Left hilar opacity is compatible with known mass , and streaky opacity within the left lung base radiating from the hilum is unchanged , likely reflective of atelectasis . The cardiomediastinal and hilar contours are unchanged . There is no pneumothorax .
    OUTPUT:
    
No significant interval change in loculated left apical pleural effusion as well as minor left basilar pleural effusion . No new consolidation concerning for pneumonia . Ill - defined opacity in the left hilar region is compatible with known mass and streaky left basilar opacity likely reflects atelectasis .