Figure 2From: Long-term survival after resection of pancreatic ductal adenocarcinoma with para-aortic lymph node metastasis: case reportLow-density mass around SMA with chemotherapy. (a) CT examination revealed a low-density area around the SMA in 2004. (b) The tumor disappeared gradually over 3 years (to 2007). (c) Routine CT examination showed a low-density area around the SMA on August 2010. (d) The tumor was within the stable disease range after 4 months of gemcitabine treatment. Arrows show the low-density area around the SMA, which appeared after the first operation.Back to article page