Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: As compared to prior chest radiograph from ___ , there are substantial bilateral pleural effusions with lower lobe consolidations which may reflect atelectatic changes , however underlying pneumonia can not be excluded . There are no findings suggestive of pneumonia in the ventilated lungs . Tracheostomy tube is again noted . A left PICC line remains in unchanged position . Sternotomy wires are midline .
    OUTPUT:
    
Substantial bilateral pleural effusions and lower lobe consolidations , underlying pneumonia can not be excluded .