Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single portable view of the chest . Endotracheal tube is seen with tip approximately 3 .9 cm from the carina , in appropriate position . Faint opacity in the right hemithorax when compared to the left is thought to be technical though layering effusion is also possible . There is no confluent consolidation . Cardiac silhouette is enlarged likely in part accentuated by technique with probable there is mild cardiomegaly . Atherosclerotic calcifications seen at the aortic arch . No acute osseous abnormality is identified .
    OUTPUT:
    
ET tube in appropriate position . Cardiomegaly without definite superimposed cardiopulmonary process .