Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal view of the chest demonstrates normal lung volumes . Lungs are essentially clear . Biapical scarring is unchanged . There is minimal blunting of the left costophrenic angle , suggestive of trace pleural effusion . There is no appreciable right pleural effusion . No pneumothorax . Hilar and mediastinal silhouettes are unchanged . Ascending aorta remains prominent . Heart size is normal . There is no pulmonary edema . Left shoulder is partially imaged . Left humerus appears high riding , which slight deformity of the humeral head / neck junction .
    OUTPUT:
    
1 . No evidence of acute cardiopulmonary process . 2 . Partially imaged left shoulder demonstrates high riding left humerus and possible deformity of the left humeral head / neck junction . ___ consider dedicated left shoulder radiographs for further evaluation , if clinically indicated .