Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . Again seen is a rounded lesion in the lingula , which was FDG - avid on recent chest CT . Increased opacity at the left lung base is likely due to mediastinal fat . There is no focal consolidation , pleural effusion or pneumothorax . Heart size is within normal limits . The mediastinal silhouette and hilar contours are normal . No acute osseous abnormality is identified .
    OUTPUT:
    
No acute intrathoracic process .