Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral chest radiographdemonstrates well expanded lungs . There is a rounded density in the right cardiophrenic region seen on the frontal view , without definite correlate on the lateral view --? Due to localized atelectasis . Possible minimal blunting of the costophrenic angle posteriorly . Otherwise , no CHF , focal infiltrate pleural effusion or pneumothorax detected . Heart size , mediastinal contour , and hila are unremarkable . A right central line or other port tip is seen in the low SVC . No free air seen beneath the diaphragm . Please see additional findings on the abdominal film obtained the same day .
    OUTPUT:
    
Doubt acute pulmonary process . Faint rounded density in the right cardiophrenic region is unchanged compared with ___ and may relate to focal atelectasis .