Sentence:  Lesions involving the medial part of the premotor cortex, the supplementary motor area (SMA) and the rear portion of the medial part of the precentral gyrus caused a contralateral, severe leg-predominant hemiplegia , distally predominant and a less severe proximal weakness of the arm.
Entities: entity1: Lesions; entity2: hemiplegia
Relationship: Cause-Effect