Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A central venous catheter has been removed . The heart is again moderately enlarged . The mediastinal and hilar contours appear unchanged . A nodular opacity suggesting a nipple shadow projects over the left mid lung . Upper zone re-distribution of pulmonary vascularity appears similar , but otherwise the lungs appear clear . Extreme posterior costophrenic sulci are excluded , but there is no evidence for pleural effusions . The bony structures are unremarkable .
    OUTPUT:
    
1 . Baseline cephalization of pulmonary vascularity and cardiomegaly but no evidence for superimposed acute disease . 2 . Suspected nipple shadow projecting over the left mid lung . However , for confirmation , a repeat PA view with the nipple markers is recommended when clinically appropriate . Recommendation for a follow - up chest PA view with nipple markers was discussed with Dr . ___ on ___ by telephone .