00

No regional lymph nodes removed

01-89

One to 89 regional lymph nodes removed

90

Ninety or more regional lymph nodes removed

95

No regional lymph node(s) removed, but aspiration of regional lymph node(s) was performed

96

Regional lymph node removal documented as sampling and number of lymph nodes unknown/not stated

97

Regional lymph node removal documented as a dissection and number of lymph nodes unknown/not stated

98

Regional lymph nodes surgically removed, but number of lymph nodes unknown/not stated and not documented as sampling or dissection

99

Unknown; not stated; death certificate only