Figure 8:

Third treatment of L-PDT (May to June, 2011)

a. On May 31^st, endoscopic finding revealed a solid protruding mass measuring 40 mm.

b. The next day, the tumor had shrunk dramatically and had turned dark red but another 20 mm tumor remained, located on the posterior side of the gastric cardia

c. On June 2^nd, the tumor of the gastric cardia had shrunk substantially

d. On June 6^th, endoscopic findings showed almost complete resolution of the tumor with only small amounts of white necrotic tissue and blood clots.