Fig. 4

Consecutive CT findings after chemotherapy discontinuation. a–c The lung tumors had shrunk 1 month after chemotherapy discontinuation. d–f The lung tumors had shrunk 3 months after chemotherapy discontinuation. g–i The lung tumors had scarred 9 months after chemotherapy discontinuation. j–l The lung tumors had scarred 18 months after chemotherapy discontinuation. These arrows indicate lung metastases