Table 2 Description of structured EMR data

Age: The incidence of breast cancer is rising rapidly after the age of 20

0: Less than 20

1: Between 20 and 40

2: Older than 40

Gender: Male can also get breast cancer

0: Male

1: Female

Disease Course Type: Benign tumors grow slowly, but cancers grow much faster

0: Not mentioned

1: Chronic

2: Acute

3: Hidden

Pectoral Muscle Adhesion

0: No

1: Yes

Personal Tumor History

0: No

1: Yes

Family Tumor History

0: No

1: Yes

Prophase Treatment

0: No

1: Yes

Neoadjuvant Chemotherapy

0: No

1: Yes

Dimple Sign: Tumors invade the suspensory ligament of the breast, it may shrink and pull the skin to form a depression like dimple

0: No

1: Yes

Orange Peel Appearance: The skin thickens and the follicle mouth dilate and sink in

0: No

1: Yes

Redness and Swelling of Skin: Mainly found in inflammatory breast carcinoma

0: No

1: Yes

Skin Ulcers: Advanced cancer may directly invade the skin

0: No

1: Yes

Tumor: Breast tumor

0: No

1: Yes

Breast deformation

0: No

1: Yes

Nipple Change: Patients with abnormal nipple changes, usually manifested as nipple erosion or nipple retraction

0: No change

1: Nipple erosion

2: Nipple retraction

Nipple Discharge: such as bloody nipple discharge

0: No

1: Yes

Axillary Lymphadenectasis (AL): axillary lymph node is the earliest metastasis site of breast carcinoma. The number of metastases can guide treatment plans

0: No AL

1: Movable

2: Lymph node fusion

3: Parasternal lymph node metastasis

Swelling of Lymph Nodes: Benign neoplasm does not metastasize to distant sites

0: No distant metastasize

1: Distant metastasis

Tumor Position: The final detection of breast tumor relies on segmentation of tumor region to a great extent

0: Outer

1: Upper

2: Inner lower

3: Outer lower

4: Central zone

Tumor Number: Most of the breast carcinoma has single tumor in unilateral breast

0: Single-unilateral

1: Multiple-unilateral

2: Bilateral

Tumor Size: The size of the tumor refers to the area of the surrounding tissue infiltrated by the lesion. The measurement should be accurate to millimeters(mm)

0: Less than 20

1: Between 20 and 50

2: Greater than 50

Tumor Texture: Usually the texture of the carcinoma is hard

0: Soft

1: Hard

2: Hard tough

3: Tough

4: Moderate

Tumor Border: Most breast carcinoma shows infiltrative growth with unclear borders. Some can be flat, surface is not smooth

0: Clear

1: Unclear

2: Invasive

Smooth Surface: It's a sign of a benign tumor

0: No

1: Yes

Tumor Morphology: Benign is round or oval, malignant masses exhibit irregularity in shapes

0: Regular

1: Moderate

2: Irregular

Activity: Small tumor has good activity

0: Good

1: Moderate

2: Bad

Capsules: The Benign tumors often have capsules, while malignant tumors have no capsules or incomplete capsules

0: No envelope

1: Incomplete

2: Enveloped

Tenderness: It is mainly found in inflammatory breast carcinoma

0: No

1: Yes

2: Periodicity

Skin Adhesion: A sign of malignancy

0: No; 1: Yes

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