Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The patient 's overlying arm partially obscures the anterior hemithorax on the lateral view . Given this , no focal consolidation , pleural effusion , or evidence of pneumothorax is seen . The cardiac and mediastinal silhouettes are stable . The hilar contours are stable . There has been interval removal of a previously seen right - sided PICC . There is heterogeneity of the partially imaged proximal left humeral shaft with a small focus of lucency seen . Please see dedicated imaging of the left humerus performed concurrently .
    OUTPUT:
    
No acute cardiopulmonary process .