Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable semi-upright radiograph of the chest demonstrates an unremarkable cardiomediastinal silhouette . No definite focal consolidation is identified . Subcentimeter dense round opacity overlying medial aspect of right clavicle corresponds to a calcified lymph node on separately dictated CT of the cervical spine from the same date . There is no pleural effusion or pneumothorax . There is dextroscoliosis of the thoracic spine .
    OUTPUT:
    
No definite evidence of pneumonia .