Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Tracheostomy tube tip is in unchanged position . Heart size is normal . Mediastinal and hilar contours are unchanged . The pulmonary vasculature is normal . Small right pleural effusion is demonstrated with streaky linear opacities in the lung bases most likely reflective of atelectasis . No pneumothorax is identified . Percutaneous gastrostomy catheter is seen in the left upper quadrant . No acute osseous abnormalities are present .
    OUTPUT:
    
Small right pleural effusion , new in the interval . Bibasilar streaky linear opacities likely reflective of atelectasis , though infection in the right lung base can not be excluded .