Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single portable view of the chest . When compared to prior , there has been no significant interval change . Exam is limited secondary to patient body habitus . Increased interstitial markings are unchanged and may represent changes from patient 's known underlying lung disease . There is no definite new large consolidation . Costophrenic angles are obscured , especially on the left which is likely due to overlying soft tissues . Cardiomediastinal silhouette is unchanged .
    OUTPUT:
    
No definite acute cardiopulmonary process .