Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Markedly narrow AP diameter of the chest , with resultant compression of the cardiomediastinal structures combined with prominent mediastinal fat ( mediastinal lipomatosis ) accounts for the apparent widening of the cardiomediastinal contour on the chest radiograph , overall similar to the prior exams dated back to ___ . There is mild pulmonary vascular congestion and mild bibasilar atelectasis , left greater than right . There is no evidence of a pneumothorax or large pleural effusion . The visualized osseous structures are unremarkable . Left subclavian Port - A - Cath appears to be in place with the tip terminating in the region of the right atrium . Note is made of fiducial markers at the site of the patient 's known liver metastasis .
    OUTPUT:
    
1 . Prominence of the cardiomediastinal contours with mild bibasilar atelectasis , left greater than right , is overall unchanged compared to the prior radiograph from ___ , and may be the patient 's baseline appearance . 2 . Mild pulmonary vascular congestion .