Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is normal . The aorta is mildly tortuous . The pulmonary vascularity is normal . Hilar contours are unremarkable . Lungs are clear without focal consolidation . No pleural effusion or pneumothorax is seen . Linear calcifications along the anterior pleura within the left hemithorax likely reflect pleural plaques , and probably account for the 2 .0 x 3 .7 cm rounded opacity projecting over the left ___ anterior rib . There are no acute osseous abnormalities .
    OUTPUT:
    
No acute cardiopulmonary process . Calcified pleural plaques , likely accounting for the rounded opacity projecting over the left 5th rib anteriorly .