Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: No definite focal consolidation is seen . There is no pleural effusion or pneumothorax . Ovoid calcification in the region of the AP window , measuring approximately 1 .4 x 0 .8 cm , may represent a calcified mediastinal lymph node . No displaced fracture identified . The cardiac and mediastinal silhouettes are unremarkable .
    OUTPUT:
    
No acute cardiopulmonary process . Ovoid left mediastinal calcified structure may represent a calcified lymph node .