Datasets:

Angelou0516
/

LCTSC

patient_id string	institution string	num_slices int32	middle_z int32	classes_present list
LCTSC-Train-S1-001	S1	140	70	[ "Esophagus", "Lung_L", "Lung_R", "SpinalCord" ]
LCTSC-Train-S1-002	S1	161	80	[ "Esophagus", "Heart", "Lung_L", "Lung_R", "SpinalCord" ]
LCTSC-Train-S1-003	S1	154	77	[ "Esophagus", "Lung_L", "Lung_R", "SpinalCord" ]
LCTSC-Train-S1-004	S1	158	79	[ "Esophagus", "Lung_L", "Lung_R", "SpinalCord" ]
LCTSC-Train-S1-005	S1	136	68	[ "Esophagus", "Lung_L", "Lung_R", "SpinalCord" ]
LCTSC-Train-S1-006	S1	140	70	[ "Esophagus", "Lung_L", "Lung_R", "SpinalCord" ]
LCTSC-Train-S1-007	S1	148	74	[ "Esophagus", "Heart", "Lung_L", "Lung_R", "SpinalCord" ]
LCTSC-Train-S1-008	S1	134	67	[ "Esophagus", "Lung_L", "Lung_R", "SpinalCord" ]
LCTSC-Train-S1-009	S1	150	75	[ "Esophagus", "Lung_L", "Lung_R", "SpinalCord" ]
LCTSC-Train-S1-010	S1	122	61	[ "Esophagus", "Lung_L", "Lung_R", "SpinalCord" ]
LCTSC-Train-S1-011	S1	162	81	[ "Esophagus", "Lung_L", "Lung_R", "SpinalCord" ]
LCTSC-Train-S1-012	S1	131	65	[ "Esophagus", "Lung_L", "Lung_R", "SpinalCord" ]
LCTSC-Train-S2-001	S2	160	80	[ "Esophagus", "Heart", "Lung_L", "Lung_R", "SpinalCord" ]
LCTSC-Train-S2-002	S2	152	76	[ "Esophagus", "Heart", "Lung_L", "Lung_R", "SpinalCord" ]
LCTSC-Train-S2-003	S2	144	72	[ "Esophagus", "Lung_L", "Lung_R", "SpinalCord" ]
LCTSC-Train-S2-004	S2	168	84	[ "Esophagus", "Lung_L", "Lung_R", "SpinalCord" ]
LCTSC-Train-S2-005	S2	152	76	[ "Esophagus", "Heart", "Lung_L", "Lung_R", "SpinalCord" ]
LCTSC-Train-S2-006	S2	144	72	[ "Esophagus", "Lung_L", "Lung_R", "SpinalCord" ]
LCTSC-Train-S2-007	S2	160	80	[ "Esophagus", "Lung_L", "Lung_R", "SpinalCord" ]
LCTSC-Train-S2-008	S2	168	84	[ "Esophagus", "Heart", "Lung_L", "Lung_R", "SpinalCord" ]
LCTSC-Train-S2-009	S2	160	80	[ "Esophagus", "Lung_L", "Lung_R", "SpinalCord" ]
LCTSC-Train-S2-010	S2	152	76	[ "Esophagus", "Lung_L", "Lung_R", "SpinalCord" ]
LCTSC-Train-S2-011	S2	160	80	[ "Esophagus", "Heart", "Lung_L", "Lung_R", "SpinalCord" ]
LCTSC-Train-S2-012	S2	160	80	[ "Esophagus", "Lung_L", "Lung_R", "SpinalCord" ]
LCTSC-Train-S3-001	S3	204	102	[ "Esophagus", "Heart", "Lung_L", "Lung_R", "SpinalCord" ]
LCTSC-Train-S3-002	S3	206	103	[ "Esophagus", "Lung_L", "Lung_R", "SpinalCord" ]
LCTSC-Train-S3-003	S3	202	101	[ "Esophagus", "Heart", "Lung_L", "Lung_R", "SpinalCord" ]
LCTSC-Train-S3-004	S3	279	139	[ "Esophagus", "Lung_L", "Lung_R", "SpinalCord" ]
LCTSC-Train-S3-005	S3	188	94	[ "Esophagus", "Heart", "Lung_L", "Lung_R", "SpinalCord" ]
LCTSC-Train-S3-006	S3	148	74	[ "Esophagus", "Lung_L", "Lung_R", "SpinalCord" ]
LCTSC-Train-S3-007	S3	163	81	[ "Esophagus", "Lung_L", "Lung_R", "SpinalCord" ]
LCTSC-Train-S3-008	S3	240	120	[ "Esophagus", "Heart", "Lung_L", "Lung_R", "SpinalCord" ]
LCTSC-Train-S3-009	S3	115	57	[ "Esophagus", "Heart", "Lung_L", "Lung_R", "SpinalCord" ]
LCTSC-Train-S3-010	S3	150	75	[ "Esophagus", "Lung_L", "Lung_R", "SpinalCord" ]
LCTSC-Train-S3-011	S3	133	66	[ "Esophagus", "Heart", "Lung_L", "Lung_R", "SpinalCord" ]
LCTSC-Train-S3-012	S3	214	107	[ "Esophagus", "Heart", "Lung_R", "SpinalCord" ]

LCTSC — Lung CT Segmentation Challenge 2017 (AAPM)

Mirror of the TCIA LCTSC collection for the AAPM 2017 Thoracic Auto-segmentation Grand Challenge. 60 thoracic CT cases (CT volumes + DICOM RTSTRUCT contours) covering five organs at risk for radiation treatment planning.

Classes (5 OARs)

Class	Notes
Esophagus
Heart
Left Lung	RTSTRUCT splits Lungs into L/R
Right Lung
Spinal Cord

Splits

Split	Cases	HF folder
Training	36	`train/`
Off-site test	12	`test_offsite/`
Online (live) test	12	`test_online/`
Total	60

Cases are stratified across three institutions (S1: MD Anderson, S2: MSKCC, S3: MAASTRO) — case IDs encode the institution: e.g., LCTSC-Train-S2-005.

Data layout

Each patient folder contains:

one CT series (<study_uid>/<series_uid>/*.dcm, ~140 slices, 512×512, ~512 KB/slice)
one DICOM RTSTRUCT (<study_uid>/<small_uid>/1-1.dcm, ~2 MB) with the five OAR contours

train/LCTSC-Train-S1-001/<study>/<ct_series>/*.dcm
train/LCTSC-Train-S1-001/<study>/<rtstruct_series>/*.dcm

License & citation

Released under CC BY 3.0 by TCIA.

When using this data, cite the original publication and TCIA per the LCTSC citation policy:

Yang J, Veeraraghavan H, Armato SG III, et al. Autosegmentation for thoracic radiation treatment planning: A grand challenge at AAPM 2017. Med Phys. 2018;45(10):4568-4581. doi:10.1002/mp.13141

Clark K, Vendt B, Smith K, et al. The Cancer Imaging Archive (TCIA): Maintaining and Operating a Public Information Repository. J Digit Imaging. 2013;26(6):1045-1057.

Original DOI: 10.7937/K9/TCIA.2017.3R3FVZ08.

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