passages.id: split_9_validation_543_passage
passages.type: progene_text
passages.text: Two were circular superficial erosive lesions ( Tis N0 M0 and T1 N0 M0 ) , one was an elevated multifocal lesion of less than 1 cm diameter ( T2 N0 M0 ) and the last one was a longitudinal central ulcer of less than 1 cm diameter ( T1 N0 M0 ) .