Use "in the lump" in a sentence

1. These men have been the leaven in the lump of the race.

2. An Armpit lump, or axillary lump, is often caused by swollen lymph nodes in the Armpit. This condition can also be associated with tenderness or pain in the lump under the arm

3. 11 In addition, some relevant should be tried one's best to bring all to treat materials while seeing the doctor too to check since having illness coming on, offer to a doctor in the lump .