Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A nodule within the left lung base likely represents a nipple shadow as no clear correlate is visualized on the lateral view . The remainder of the lungs are clear . There is no focal consolidation or pneumothorax . There is no vascular congestion or pleural effusions . Cardiomediastinal and hilar contours are within normal limits .
    OUTPUT:
    
1 . No acute cardiopulmonary process . 2 . 1 - cm nodule in the left lung base likely represents a nipple shadow though is incompletely evaluated . Recommend non-emergent repeat of the frontal chest radiograph with nipple markers for confirmation . Follow - up imaging recommendations were relayed to the patient 's PCP via the ___ departments critical results dashboard by Dr . ___ at 11 :40 am on ___ .