TCIA Get Patients

List the patients (subjects) in a TCIA imaging collection. Returns patient-level fields not available from study-level tools: PatientId, PatientName, Phantom (whether the subject is a phantom test object vs a real patient), and SpeciesCode/SpeciesDescription (e.g. '337915000' / 'Homo sapiens'). Use this to enumerate subjects and filter human vs phantom/animal subjects. Filter by collection name. Example collections: 'LIDC-IDRI', 'TCGA-GBM', 'TCGA-LUAD'.