Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is a left apical chest tube , without any evidence of pneumothorax . The ICD overlies the left chest wall , with leads in the right atrium , right ventricle , and coronary sinus . There is mild patchy opacification at the left lung base . The lungs are otherwise clear . Heart size is normal . The mediastinal and hilar contours are normal . The pulmonary vasculature is normal . No pleural effusion is seen . There are no acute osseous abnormalities .
    OUTPUT:
    
1 . Appropriate positioning of left chest tube and pacemaker leads without any evidence of pneumothorax . 2 . Patchy of opacification at the left lung base , which likely represents re-expansion pulmonary edema or atelectasis .