Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: INTERSTITIAL MARKINGS ARE DIFFUSELY PROMINENT BILATERALLY BUT NO FOCAL CONSOLIDATION SUGGESTIVE OF PNEUMONIA IS SEEN . FULLNESS IN THIS CENTRAL PULMONARY VASCULATURE IS EXAGGERATED BECAUSE OF LOW LUNG VOLUMES AND NO DEFINITE VASCULAR CONGESTION OR HILAR MASS IS SEEN . THE HEART IS AT THE UPPER LIMITS OF NORMAL IN SIZE AND THE AORTA IS MILDLY UNCOILED . PROLIFERATIVE OSTEOPHYTES ARE SEEN IN THE MID AND LOWER THORACIC SPINE BUT NO FRACTURE IS VISIBLE .
    OUTPUT:
    
DIFFUSE PROMINENCE / IRREGULARITY OF INTERSTITIAL MARKINGS WITHOUT FOCAL CONSOLIDATION . THE FINDINGS MAY INDICATE UNDERLYING PULMONARY FIBROSIS OR OTHER DIFFUSE DISEASE . NO DEFINITE FINDINGS TO ACCOUNT FOR CHEST PAIN .