Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A single frontal view of the chest demonstrates a spiculated lesion in the left upper lung zone with a fiducial seed . The lesion measures approximately 3 .7 x 1 .4 cm . It is not significantly changed in size since the recent CT of the chest . No new mass or consolidation is identified . There is no pulmonary edema , pleural effusion , or pneumothorax . The heart is moderately enlarged , unchanged from the prior exam . The mediastinal contours are normal . Surgical clips project over the upper mediastinum , also unchanged from the prior exam .
    OUTPUT:
    
1 . Stable left upper lobe mass . 2 . No evidence of pneumonia or pulmonary edema . 3 . Stable moderate cardiomegaly .