DATA FORM FOR CANCER STAGING - MELANOMA
Form # 785-1-036
| CLIN | PATH | DEFINITIONS | ||
| PRIMARY TUMOR (PT) | ||||
| pTX | Primary tumor cannot be assessed | |||
| pT0 | No evidence of primary tumor | |||
| pTis | Melanoma in situ (atypical melanocytic hyperplasia, severe melanocytic dysplasia, not an invasive lesion (Clark's Level I) | |||
| pT1 | Tumor 0.75 mm or less in thickness and invades the papillary dermis (Clark's Level II) | |||
| pT2 | Tumor more than 0.75 mm but not more than 1.5 mm in thickness and/or invades to papillary-reticular dermal interface (Clark's Level III) | |||
| pT3 | Tumor more than 1.5 mm but not more than 4 mm in thickness and/or invades the reticular dermis (Clark's V)Level I | |||
| pT3a | Tumor more than 1.5 mm but not more than 3 mm in thickness | |||
| pT3b | Tumor more than 3 mm but not more than 4 mm in thickness | |||
| pT4 | Tumor more than 4 mm in thickness and/or invades the subcutaneous tissue (Clark's Level V) and/or satellite(s) within 2 cm of the primary tumor | |||
| pT4a | Tumor more than 4 mm in thickness and/or invades the subcutaneous tissue | |||
| pT4b | Satellite(s) within 2 cm of primary tumor | |||
| LYMPH NODE (N) | ||||
| NX | Regional lymph nodes cannot be assessed | |||
| N0 | No regional lymph node metastasis | |||
| N1 | Metastasis 3 cm or less in greatest dimension in any regional lymph node(s) | |||
| N2 | Metastasis more than 3 cm in greatest dimension in any regional lymph node(s) and/or in-transit metastasis | |||
| N2a | Metastasis more than 3 cm in greatest dimension in any regional lymph node(s) | |||
| N2b | In-transit metastasis | |||
| N2c | Both (N2a and N2b) | |||
| DISTANT METASTASIS (M) | ||||
| MX | Presence of distant metastasis cannot be assessed | |||
| M0 | No distant metastasis | |||
| M1 | Distant metastasis | |||
| M1a | Metastasis in skin or subcutaneous tissue or lymph node(s) beyond the regional lymph nodes | |||
| M1b | Visceral metastasis | |||
| CLIN | PATH | STAGE GROUPING | |||
| 0 | Tis | N0 | M0 | ||
| I | T1 | N0 | M0 | ||
| T2 | N0 | M0 | |||
| II | T3 | N0 | M0 | ||
| T4 | N0 | M0 | |||
| III | Any T | N1 | M0 | ||
| Any T | N2 | M0 | |||
| IV | Any T | Any N | M1 | ||
THE FINAL STAGE GROUPING (CLINICAL & PATHOLOGICAL) IS THE RESPONSIBILITY OF THE ATTENDING PHYSICIAN.
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