Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP and lateral views of the chest . There are increased interstitial markings throughout the lungs , which are more than expected even given slightly lower lung volumes . There is no effusion or focal consolidation . The cardiomediastinal silhouette is grossly unchanged given limitation of patient 's rotation to the right . No acute osseous abnormality is identified .
    OUTPUT:
    
Increased interstitial markings throughout the lungs may be due to mild edema , although atypical infection is also possible .