Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A tracheostomy tube is in place . The patient is slightly rotated . Blunting of the left costophrenic angle with increased obscuration of the lateral left hemidiaphragm may be due to worsening infection or aspiration . Minimal right basilar subsegmental atelectasis is unchanged . There is no pneumothorax . The heart and mediastinum are magnified by the projection .
    OUTPUT:
    
Worsening left basilar aspiration or infection .