Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Right - sided temporary pacer wire with the tip in the right ventricle . No pneumothorax . The appearance of the lungs of not significantly changed with left basal atelectasis and small effusion . No significant interstitial edema . Mild cardiomegaly .
    OUTPUT:
    
Right - sided temporary pacer tip in the right ventricle . No pneumothorax .