Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Since ___ , a left pectoral implantable loop recorder is new . Patient is status post right shoulder hemiarthroplasty . The lungs are clear with normal volumes . The cardiomediastinal silhouette , hilar contours , and pleural surfaces are normal . No pneumothorax , pneumonia , pleural effusion . Slight tracheal deviation may be due to an enlarged thyroid .
    OUTPUT:
    
1 . New left pectoral implantable loop recorder since ___ . No acute cardiopulmonary process . 2 . Slight tracheal deviation may be due to an enlarged thyroid . Please correlate with physical exam .