Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single portable view of the chest is compared to previous exam from ___ . Right PICC is no longer seen . Vascular markings are indistinct which could be in part due to technique ; however , there may be a component of mild interstitial edema . Cardiomediastinal silhouette is stable given differences in positioning and technique . Osseous and soft tissue structures are unremarkable .
    OUTPUT:
    
Possible mild pulmonary vascular congestion . No significant change from prior .