Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral radiographs of the chest were acquired . There has been interval removal of a right PICC and nasogastric tube . As seen on the prior study from ___ , there is a widespread bilateral interstitial abnormality , more prominent in the lower lungs , likely chronic in nature , although mild interstitial pulmonary edema could have a similar appearance . There is no focal consolidation . The heart size is normal . The mediastinal contours are normal . There are no pleural effusions . No pneumothorax is seen . There is re-demonstration of multilevel vertebroplasty / kyphoplasty , not significantly changed in appearance .
    OUTPUT:
    
No definite acute cardiac or pulmonary process . Bilateral predominantly lower lung interstitial opacities are most likely chronic in nature , although mild interstitial pulmonary edema could have a similar appearance .