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a An enhanced CT scan revealed an area of low density that was approximately 6.5 × 6.6 × 8.4 cm3 in size before the first procedure. b Enhanced CT showed that the target had shrunk in the 4th month after the first procedure. c CT showed that the target had shrunk further in the 5th month after the first procedure. d Enhanced CT showed that the target had shrunk further in the 12th month after the first procedure.
