Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Right PICC has been repositioned since ___ and now terminates at low SVC . Lung volume is low . Pulmonary vascular congestion is similar to before . Right lung base opacity is slightly increased compared to before . Left lung base opacity is stable and consistent with atelectasis . There are probable small bilateral pleural effusions . Enlarged cardiomediastinal silhouette is unchanged .
    OUTPUT:
    
Right lung base opacity is slightly increased compared to ___ and may reflect aspiration , pneumonia , or worsening atelectasis .