Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Since the prior study , there is unchanged position of a tracheostomy tube , terminating in the mid trachea . There has been interval removal of the right PICC . The lungs are well inflated and clear . Cardiomediastinal silhouette is unremarkable . There is no pleural effusion , pneumothorax , pulmonary edema , or focal airspace opacification .
    OUTPUT:
    
No acute cardiopulmonary process .