Tumors may stop.Logical formLearned from22 sentences. Tumors can be in animals.Logical formLearned from22 sentences. A tumor can be in a body.Logical formLearned from22 sentences. Tumors may occur.Logical formLearned from22 sentences. Cells can be from tumors.Logical formLearned from22 sentences. A tumor can be on a neck.Logical formLearned from22 sentences. (Blood vessels) may feed tumors.Logical formLearned from22 sentences. A nature may pertain-to tumors.Logical formLearned from22 sentences. A (brain tumor) may be diagnosed.Logical formLearned from22 sentences. A tumor can be aggressive.Logical formLearned from22 sentences. (Liver tumors) can be benign.Logical formLearned from22 sentences. Tumors can be fast-growing.Logical formLearned from22 sentences. Tumors can be bulky.Logical formLearned from22 sentences. Tumors can be uncommon.Logical formLearned from22 sentences. (Tumor cells) may undergo a proliferation.Logical formLearned from22 sentences.