Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Coarse reticular peripheral predominant lung markings correlate with the fibrotic changes seen on CT scan . There is no consolidation or pleural effusion . There is no pneumothorax . A VP shunt catheter traverses the medial right hemithorax without kinks or discontinuities along its imaged course . The heart and mediastinum are within normal limits despite the projection . Regional bones and soft tissues are unremarkable .
    OUTPUT:
    
No evidence of pneumonia or other acute abnormality . Stable mild predominant fibrotic changes .