Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Supine portable AP view of the chest provided . Chest wall pacer projects over the left axilla with lead tips extending into the right atrium and right ventricle . Nodular opacities are seen within the right mid lung peripherally , which could represent pulmonary nodule in the setting of metastatic disease . There is no clear sign of pneumonia or CHF . No large pleural effusion or pneumothorax is seen . The heart is mildly enlarged and the aorta is unfolded . There is an acute fracture of the left humeral shaft which appears similar in overall configuration compared with a prior film ___ ___ , with note made of small amount of callus formation .
    OUTPUT:
    
Nodular opacities in the right mid lung could represent metastatic nodules . No evidence of pneumonia or CHF . Subacute fracture of the left humeral shaft .