Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lateral view is suboptimal due to the patient 's overlying arm and low lung volumes . The lungs are clear without focal consolidation . There is mild elevation of the right hemidiaphragm . No pleural effusion or pneumothorax is seen . The cardiac and mediastinal silhouettes are unremarkable . Chronic appearing deformity projecting projecting over the anterior left first rib .
    OUTPUT:
    
No acute cardiopulmonary process .