Target lesion | Basal CT in cm | After four cycles IPI+nivo | After four cycles of maintenance nivo | After two doses of IPI and nivo (reintroduction) |
Pre aortic LN | 8.9×3.2 cm | 3.1×2.6 cm | 4.2×2.4 cm | 2.1×2.5 cm |
Rectus abdominis | 5.4×3.6 cm | 4.2×3.7 cm | 8.2×7.6 cm | 5.5×7.3 cm (central necrosis present) |
IPI, ipilumumab; LN, lymph node.