In 1985, Soviet cosmonaut Vladimir Vasyutin and his colleagues returned four months ahead of schedule from a mission to the Salyut 7 space station due to a urological issue.
And in 1987, a heart arrhythmia caused Soviet cosmonaut Aleksandr Laveykin to leave the Mir space station early.
Confusingly structured, but it seems like they meant space missions not on the ISS have been cancelled due to medical reasons twice before.
Confusingly structured, but it seems like they meant space missions not on the ISS have been cancelled due to medical reasons twice before.