Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac , mediastinal and hilar contours appear unchanged . There is patchy new left basilar opacity slightly silhouetting the hemidiaphragm on the left ; the lateral view in particular depicts a more widespread patchy opacity in the left lower lobe , however , for which atelectasis or pneumonia could be considered . There is no definite effusion or pneumothorax . Moderate - to - severe rightward convex curvature centered along the upper thoracic spine with associated deformities among the chest wall appears similar .
    OUTPUT:
    
Increased left lower lobe opacification , but potentially due to atelectasis . Pneumonia or inflammatory process of lower airways could also be considered , however , as potential etiologies .