Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Evaluation of the lateral radiograph is limited due to oblique patient positioning . Apparent mild improvement in a persistent moderate right pleural effusion is likely related to differences in patient positioning on the current study compared to ___ . Underlying right basilar atelectasis is unchanged . The left lung is grossly clear . There is no pneumothorax . Right apical scarring appears symmetrical . The cardiac , mediastinal and hilar contours are within normal limits and unchanged . Embolization coils project along the right anterior mediastinum . A large radiopaque lesion in the right hepatic lobe is compatible with the patient 's known HCC status post TACE .
    OUTPUT:
    
Mild apparent improvement in moderate right pleural effusion is likely related to patient positioning . Stable right basilar atelectasis .