Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Right - sided central venous catheter tip terminates at the junction of the SVC and right atrium . Heart size is mildly enlarged . Mediastinal and hilar contours are unremarkable . Pulmonary vasculature is not engorged . Mild patchy and linear opacities are seen in the lung bases , likely atelectasis . Streaky opacity is seen within the right middle lobe concerning for pneumonia . No pleural effusion or pneumothorax is detected . Calcified right breast prosthesis is re - demonstrated . Compression deformity of a lower thoracic vertebral body remains unchanged .
    OUTPUT:
    
Mild bibasilar atelectasis . Streaky right middle lobe opacity is concerning for pneumonia in the correct clinical setting .