Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral chest radiographs . Groundglass opacities are still visible in the left lower lung and overall unchanged compared to ___ . There is no pleural effusion or pneumothorax . Mild cardiomegaly is stable .
    OUTPUT:
    
Left basilar groundglass opacities , stable from ___ . Appearance is suggestive of pulmonary hemorrhage or vasculitis . Infection is less likely .