Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Assessment is limited due to poor positioning and underpenetration secondary to body habitus . Allowing for these limitations : There is no focal pulmonary opacity . The conspicuous interstitial pattern is felt to be related to superimposition of tissue due to patient 's body habitus . The cardiomediastinal contour is unremarkable . There is no pleural effusion or pneumothorax .
    OUTPUT:
    
No evidence of acute cardiopulmonary process in this limited examination .