Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lateral left base is underpenetrated due to overlying soft tissue , patient body habitus . Given this , no definite focal consolidation is seen . No large pleural effusion is seen . There are no findings suggest pneumothorax . The cardiac and mediastinal silhouettes are stable . Evidence of a hiatal hernia is again seen .
    OUTPUT:
    
Left base atelectasis without definite focal consolidation . Hiatal hernia . No definite acute cardiopulmonary process .