Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral chest radiographs demonstrate unremarkable cardiomediastinal and hilar contours . There is mild prominence of the right basilar interstitial markings , right greater than left , likely related to low lung volumes . No focal opacification concerning for pneumonia identified . No pleural effusion or pneumothorax evident . No osseous abnormality evident .
    OUTPUT:
    
No acute intrathoracic process .