Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest demonstrated right PIC catheter projecting over mid SVC . Low lung volumes without pleural effusions , focal consolidation or pneumothorax . Linear opacity in the left lung likely represents atelectasis . Hilar and mediastinal silhouettes are unchanged . Heart size normal . No pulmonary edema .
    OUTPUT:
    
No evidence of acute cardiopulmonary process .