Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest demonstrate normal lung volumes . There is a well circumscribed 2 .3 x 2 .1 cm round opacity projecting over superior segment of the right lower lobe , which is new since prior exams . No focal consolidation is seen . There is no pneumothorax . There is no pleural effusion or pulmonary edema . Hilar and mediastinal silhouettes are unremarkable . Aortic arch calcifications are noted . Heart size is normal .
    OUTPUT:
    
A well - circumscribed opacity projecting over right lower lobe , which is new since prior exams . Further assessment with dedicated chest CT exam is recommended .