Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Multiple lung masses are demonstrated ; among them is a 3 .1 x 2 .5 cm mass in the right upper lobe , a 1 .8 x 1 .8 cm mass in the lateral right lung as well as a 3 .5 x 1 .9 cm mass in the left lower lobe . Further , there is increased density in the infrahilar area on the lateral film . There is no pleural effusion , pneumonia or pulmonary edema . There is no pneumothorax . The aorta is slightly tortuous . Cardiac silhouette is normal in size .
    OUTPUT:
    
Multiple intrathoracic masses . CT of the chest is needed for further evaluation .