Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral chest views were obtained with patient in upright position . Comparison is made with the next preceding similar study of ___ . The heart size is unchanged , remains within normal limits . Being aware from old records that the patient has signs of moderate degree of pulmonary hypertension , one can identify a relative prominence of the main pulmonary artery and that of the central pulmonary vessels . The periphery , however , remains unremarkable and no new pulmonary parenchymal infiltrates have developed . The left - sided pleural effusion is again seen to blunt the lateral and posterior pleural sinuses . Direct comparison of both frontal and lateral view clearly indicates that the amount of pleural effusion has again increased slightly in comparison with the examination of ___ . Still the overall amount of pleural effusion must be considered a small . No pneumothorax has developed and no other radiographic abnormalities can be identified .
    OUTPUT:
    
Mild increase of left - sided pleural effusion apparently induced by TKI administration ( does this stand for tyrosine kinase inhibitor ? ) .