Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . Port - A - Cath positioned over the right axilla with catheter tip in the region of the mid SVC . The heart is mildly enlarged . The hila appear engorged . There is a tiny right pleural effusion . Retrocardiac linear density is likely indicative of subsegmental atelectasis . There is no convincing evidence for pneumonia or edema . No pneumothorax . Mediastinal contour is unchanged . Bony structures are intact .
    OUTPUT:
    
Cardiomegaly with hilar congestion and tiny right pleural effusion .