Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Best seen on the inverted images , there is a 1 .5 cm opacity projecting over the right mid lung at the level the posterior right eighth rib . The left lung is clear . There is no pleural effusion or pneumothorax . The cardiac silhouette is top - normal to mildly enlarged . Mediastinal contours are unremarkable . No pulmonary edema is seen . Status that
    OUTPUT:
    
Subtle 1 .5 cm in nodular opacity projecting over the right mid lung , possibly representing a pulmonary nodule / lesion for which further evaluation with chest CT is recommended .