Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest were reviewed and compared to the prior studies . A left Port - A - Cath ends in the mid SVC . Linear opacities in the right lung base represent atelectasis ; otherwise , the lungs are clear . There is no pulmonary edema , pleural effusion or pneumothorax . The heart size is normal and a clacified tortuous aortic contour is unchanged . Expansion and sclerosis of a few right lower ribs is consistent with the diagnosis of myeloma . In the thoracic spine severe vertebral body compression fractures of the T4 and T11 vertebral bodies are unchanged since ___ , but are slightly worse compared to the radiograph of ___ .
    OUTPUT:
    
1 . No radiographic evidence of pneumonia . 2 . Severe T4 and T11 vertebral body compression fractures are unchanged since ___ ; however , slightly worse since ___ .