Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A well - defined , dense right mid lung opacity is once again demonstrated and appears similar to prior exams since ___ , likely representing a calcified pleural plaque . There are also partially calcified left pleural plaques . No focal pulmonary consolidations . No pleural effusions . No pneumothorax . Stable mild cardiomegaly . The mediastinal and hilar contours are normal . Stable degenerative changes of the thoracic spine .
    OUTPUT:
    
1 . No conventional radiographic evidence of pulmonary metastasis . 2 . Bilateral calcified pleural plaques are suggestive of asbestos exposure .