Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart is not enlarged . Cardiomediastinal contours are within normal limits . There is no CHF , focal infiltrate or fusion . Possible minimal bibasilar atelectasis . A 7 .8 mm slightly irregular ovoid density overlies the medial right clavicle / right upper lung . This was not clearly visible on the previous films from ___ and ___ .
    OUTPUT:
    
Possible minimal bibasilar atelectasis . Otherwise , no acute pulmonary process identified . Nodular density overlying the right medial clavicle / right upper lung . Recommend further assessment with oblique and lordotic views to determine whether this lies within the lung or the bone . This was not visible on the chest x-rays from ___ and ___ . While this could represent artifact due to overlap of bone and vascular shadows , further assessment is required .