Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared to prior exam from the lung volumes are low , which exaggerates the heart size and interstitial opacities . Heart size is upper limits of normal . Mild increased and bilateral interstitial basal opacities , especially on the left are likely due to atelectasis . Pleural margin on the right apex is thicker than left , which may be due to scarring . Mediastinal and hilar contours are unremarkable . There is no evidence for pulmonary edema , pulmonary consolidation , pleural effusion , or pneumothorax .
    OUTPUT:
    
1 . No pneumonia . 2 . Asymmetric thickening of the right apical pleural margin . If there is clinical suspicion for malignancy , CT is recommended for further evaluation .