Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Subtle opacity projects over the lateral right mid chest at approximately the level of the right lateral fifth and sixth ribs of unclear clinical significance . Consider shallow oblique radiographs for further assessment . No pleural effusion is seen . There is no evidence of pneumothorax . The cardiac and mediastinal silhouettes are unremarkable . Subacute appearing deformities of the left anterior lateral fifth , lateral sixth , and lateral seventh ribs may be due to prior injury / fractures .
    OUTPUT:
    
Subtle focal opacity projecting over the lateral right mid lung without clear correlate on the lateral view , of unclear clinical significance . Suggest shallow oblique radiographs for further assessment .