A tumor can be high-grade.Logical formLearned from20 sentences. A tumor can be gastrointestinal.Logical formLearned from20 sentences. A majority may pertain-to tumors.Logical formLearned from20 sentences. Some tumors may grow.Logical formLearned from20 sentences. Tumors may recur.Logical formLearned from19 sentences. A tumor may be resected.Logical formLearned from19 sentences. Tumors may arise.Logical formLearned from19 sentences. A treatment can be for tumors.Logical formLearned from19 sentences. Presence may pertain-to a tumor.Logical formLearned from19 sentences. A tumor may appear.Logical formLearned from19 sentences. Parts may pertain-to a tumor.Logical formLearned from19 sentences. A patient can be with a tumor.Logical formLearned from19 sentences. A biopsy may pertain-to a tumor.Logical formLearned from19 sentences. A result may pertain-to a tumor.Logical formLearned from19 sentences. (Tumor suppressor genes) may undergo a silencing.Logical formLearned from19 sentences.