Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiomegaly and an unfolded aorta are again seen . Hilar contours are stable . There are linear opacities at both lung bases , slightly more conspicuous on the left than on the ___ chest radiographs . There is mild blunting of the bilateral posterior costophrenic sulci , similar to prior radiographs . There is no pneumothorax . Mild loss of height in several mid thoracic vertebral bodies is unchanged . Ossification of the anterior longitudinal ligament and small anterior endplate osteophytes are again seen in the thoracic spine . The ribs are not well penetrated on chest radiography , as expected , and the inferior ribs are not fully imaged . No displaced rib fracture is definitively identified .
    OUTPUT:
    
Linear opacities at both lung bases with increased conspicuity on the left compared to ___ chest radiographs . Unchanged mild blunting of bilateral posterior costophrenic sulci . Evaluation of the ribs is limited . Please refer to the concurrent chest CT report for further detail .