Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP and lateral views of the chest . There is no confluent consolidation or effusion . Interstitial markings do appear more conspicuous on the current exam . This could be in part due to technique and low lung volumes however underlying interstitial abnormality is also possible . There is mild to moderate cardiomegaly . No acute osseous abnormalities detected .
    OUTPUT:
    
Increased interstitial markings in the lungs which could be in part attributed to technique although additional considerations include interstitial edema , chronic underlying lung disease or atypical infection .