Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral chest radiographs were obtained . Low lung volumes accentuate the interstitial markings . On the lateral view projecting over the lowest visible level of the thoracic spine there may be a 28 mm wide irregularly shaped lung lesion , with central lucency or air bronchograms . As expected , even if real --___ it could well be an artifact -- ___ would not be visible on a frontal chest radiograph . It was not present on a Chest CTA in ___ , and is presumably infection or infarction . It should be investigated with an upright view factored for the upper abdomen and / or routine oblique CXR at deep inspiration . There is no effusion or pneumothorax . Cardiac and mediastinal contours are normal .
    OUTPUT:
    
Possible lower lobe lung infection or infarction . Dr ___ ___ I discussed these findings by telephone at the time of dictation .