EP-1514 Binary exponential model for the PSA fall after IMRT, dependency on initial PSA and Prostate volume. (April 2019) - Nagano, H.; Yokoyama, H.; Kato, M.; Hashimoto, H.; Shimo, T.; Watanabe, M.; Nakanishi, M.; Kaneko, Y.; Suzuki, H.; Noguchi, A.; Kobayashi, K.