Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: 2 views were obtained of the chest . A BB marker indicates the site of pain in the left upper quadrant . No focal consolidation , pleural effusion or pneumothorax is seen . The heart and mediastinal contours are unremarkable . No displaced rib fractures are identified . If there is a clinical basis to suspect chest cage trauma and the need to document that radiographically , detail views of marked regions of clinical findings should be requested .
    OUTPUT:
    
No acute intrathoracic process .