Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest . No prior . There are indistinct pulmonary vascular markings seen bilaterally . Some of this could be due to overlying soft tissues ; however , there is suspected superimposed interstitial process such as edema . There is no effusion . Prominent extrapleural fat is seen particularly posteriorly and on the left at the apex . Cardiac silhouette appears enlarged . Osseous and soft tissue structures are grossly unremarkable .
    OUTPUT:
    
Increased interstitial markings suggest some component of interstitial edema and cardiomegaly .