Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest were obtained . Lungs are clear bilaterally without focal consolidation , effusion , or pneumothorax . Small nodular opacities are noted in the right upper lung . No definite signs of pneumonia or CHF . No pleural effusion or pneumothorax . Heart and mediastinal contours appear normal . Bony structures appear intact . There is a tunneled screw in the right humeral head . Calcific densities project over the right upper quadrant , corresponding with areas of embolization as seen on prior CT .
    OUTPUT:
    
Tiny nodular densities in the right upper lung for which non-emergent CT may be performed to further assess . No acute intrathoracic process .