Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The left hemidiaphragm is somewhat obscured , which may be due to overlying body habitus , although atelectasis or small pleural effusion is not excluded . The right lung is clear . The cardiac and mediastinal silhouettes are unremarkable . No pneumothorax is seen . There is no overt pulmonary edema .
    OUTPUT:
    
Obscuration of the left hemidiaphragm which may be due to overlying soft tissue , however , a small pleural effusion is not excluded . Dedicated PA and lateral views would likely be helpful for further evaluation if patient able .