cancer soft tissue neoplasm malignant soft tissue neoplasm A malignant neoplasm arising exclusively from the soft tissues. MONDO:0024637 NCIT:C4867 SCTID:269469005 malignant neoplasm of soft tissue malignant neoplasm of the soft tissue malignant soft tissue neoplasm malignant soft tissue tumor malignant tumor of soft tissue malignant tumor of the soft tissue