TASK DEFINITION: In medical studies, treatments are tested within a group of study participants. You will be given a sentence of a study report in which your task is to list the phrases that give information about the participants of the study. You should list the phrases in the same order that they appear in the text, separated by commas. If no information about the participants is mentioned, just output "not found". Relevant information about participants include: gender, medical conditions, location, number of people participating. Do not contain participant mentions without relevant information.
PROBLEM: Amonafide : An active agent in the treatment of previously untreated advanced breast cancer -- a cancer and leukemia group B study ( CALGB 8642 ) .

SOLUTION: previously untreated advanced breast cancer

PROBLEM: Treatment with lime did not cause any significant side-effect .

SOLUTION: not found

PROBLEM: Patients could not have had prior chemotherapy for metastatic disease .

SOLUTION:
not found