Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are relatively well expanded , with mild atelectasis in the left lung base . The heart and descending thoracic aorta are mildly , unchanged compared to the prior study . A right PICC terminates in the low SVC , unchanged from the prior exam . There is no pneumothorax , pleural effusion , pulmonary edema , or focal consolidation .
    OUTPUT:
    
No acute cardiopulmonary process . Stable cardiomegaly .