Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Patient is status post median sternotomy . Dual lead left - sided pacemaker is seen with leads extending the expected positions of the right atrium and right ventricle . There are low lung volumes . The cardiac and mediastinal silhouettes are grossly stable . No definite focal consolidation is seen . No pleural effusion or pneumothorax is seen . Projecting over the right humeral head and neck , is a 2 .4 x 1 .5 cm well - defined chondroid lesion which may represent enchondroma , but is not fully assessed on this study . If this has not been further evaluated previously , recommend dedicated right shoulder or humerus views .
    OUTPUT:
    
Low lung volumes . No focal consolidation to suggest pneumonia . 2 .4 x 1 .5 cm proximal right humerus chondroid lesion which most likely represents an enchondroma , but is not fully assessed on this study . If this has not been further evaluated previously , recommend dedicated right shoulder or humerus views .