Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear . The heart size is normal . The mediastinal contours are normal . There are no pleural effusions . No pneumothorax is seen . There is 1 .6 cm density overlying the posterior aspect of a mid thoracic vertebral body , possibly related to the osseous structures .
    OUTPUT:
    
1 . No acute cardiac or pulmonary process . 2 . 1 .6 cm density overlying the posterior aspect of a mid thoracic vertebral body on the lateral view , possibly related to the osseous structures . Recommend follow - up radiographs in 3 months .