Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Transverse cardiomegaly unchanged . Mild cephalization of pulmonary blood flow . No pulmonary edema . Single lead left pectoral ICD in situ . Left ventricular assist device in situ . Small left - sided pleural effusion with subsegmental atelectasis . .
    OUTPUT:
    
Small left - sided pleural effusion with subsegmental atelectasis .