deaths (OS)progression or deaths (PFS)RFS/DFS

mEC - (neo)adjuvant (NA) metastatic/advanced - esophageal cancer (mEC) mEC - (neo)adjuvant (NA)

mEC - 1st line (L1) metastatic/advanced - esophageal cancer (mEC) mEC - 1st line (L1)

mEC - 2nd line (L2) metastatic/advanced - esophageal cancer (mEC) mEC - 2nd line (L2)