Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Right PICC seen with tip in the RA SVC junction . There has been interval resolution of the previously seen vascular congestion with mild edema . There may be small pleural effusions . There is retrocardiac opacity which silhouettes the medial hemidiaphragm the descending thoracic aorta . Faint right basilar opacity is also noted with slight nodular component projecting over the posterior eighth rib . Cardiomediastinal silhouette is within normal limits .
    OUTPUT:
    
Retrocardiac opacity silhouetting the hemidiaphragm which certainly could represent infection . More faint right basilar opacities with a somewhat nodular component which may correspond to disease seen on prior CT scan . Consider PA and lateral for additional characterization .