Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiomediastinal silhouettes are stable , reflective of mild cardiomegaly . The left hilum is within normal limits . The right hilum is obscured . There is complete or near complete atelectasis / collapse of the right upper lobe with associated convex bulging medially ( reverse S sign of Golden ) . The remaining right lung appears well - aerated without focal consolidation . The left lung is clear . There is no pulmonary vascular congestion or pulmonary edema . There is no pneumothorax or pleural effusion . Anterior spinal fusion hardware is noted . Cholecystectomy clips overlie the right upper abdominal quadrant .
    OUTPUT:
    
1 . Complete collapse of the right upper lobe with central convex border , highly suggestive of an obstructing central mass such as lung cancer . Recommend CT chest for further evaluation . 2 . Stable mild cardiomegaly .