Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Right - sided Port - A - Cath tip terminates at the SVC / right atrial junction . Lung volumes are persistently low . This accentuates the size of the cardiac silhouette which appears mildly enlarged . The aorta remains tortuous . Crowding of bronchovascular structures is present without overt pulmonary edema . Patchy opacities are noted in lung bases likely atelectasis . No focal consolidation , pleural effusion or pneumothorax is seen . There are no acute osseous abnormalities .
    OUTPUT:
    
Low lung volumes with patchy opacities at the lung bases , likely atelectasis , without focal consolidation .