c("sample type: E*", "pretreatment: None", "grade: 3", "Stage: IV")
c("sample type: E*", "pretreatment: None", "grade: 3", "Stage: III")
c("sample type: E*", "pretreatment: None", "grade: 3", "Stage: III")
c("sample type: E*", "pretreatment: None", "grade: 4", "Stage: IV")
c("sample type: S", "pretreatment: None", "grade: Sarcomatoid", "Stage: IV")
c("sample type: E*", "pretreatment: None", "grade: 4", "Stage: IV")
c("sample type: R", "pretreatment: None", "grade: Rhabdoid", "Stage: IV")
c("sample type: E", "pretreatment: None", "grade: Epithelioid", "Stage: IV")
c("sample type: R", "pretreatment: Sutent", "grade: Rhabdoid", "Stage: IV")
c("sample type: S", "pretreatment: Sutent", "grade: Sarcomatoid", "Stage: IV")
c("sample type: S", "pretreatment: None", "grade: Sarcomatoid", "Stage: IV")
c("sample type: E", "pretreatment: Sutent", "grade: Epithelioid", "Stage: IV")
c("sample type: E", "pretreatment: None", "grade: Epithelioid", "Stage: IV")
c("sample type: R", "pretreatment: None", "grade: Rhabdoid", "Stage: IV")
c("sample type: E", "pretreatment: None", "grade: Epithelioid", "Stage: IV")
c("sample type: S", "pretreatment: None", "grade: Sarcomatoid", "Stage: IV")
c("sample type: E", "pretreatment: None", "grade: Epithelioid", "Stage: IV")
c("sample type: S", "pretreatment: None", "grade: Sarcomatoid", "Stage: III")
c("sample type: E", "pretreatment: None", "grade: Epithelioid", "Stage: III")
c("sample type: S", "pretreatment: None", "grade: Sarcomatoid", "Stage: IV")
c("sample type: R", "pretreatment: None", "grade: Rhabdoid", "Stage: IV")
c("sample type: E", "pretreatment: None", "grade: Epithelioid", "Stage: IV")
c("sample type: S", "pretreatment: None", "grade: Sarcomatoid", "Stage: IV")
c("sample type: E", "pretreatment: None", "grade: Epithelioid", "Stage: IV")