Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: As compared to chest radiograph ___ , pleural drain and mediastinal drains have been removed . Possible instead left apical pneumothorax . The lung volumes have decreased with moderate cardiomegaly . Trace bilateral pleural effusions and higher it content a as not changed .
    OUTPUT:
    
Possible left tiny apical pneumothorax .