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Patient belongs to the favorable prognostic group

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Patient belongs to the unfavorable prognostic group

aIn years.

bFive major nodal areas were defined as follows: the whole neck including the supraclavicular area (left and right); the axilla including the infraclavicular area (left and right); the whole mediastinum including the hilar nodes on both sides (one area) II23, stage II with two or three nodal areas involved II45, stage II with four or five nodal areas involved Erythrocyte sedimentation rate, in mm/first hour.

dBulky mediastinal involvement if M/R ratio a 0.35 where M/T ratio is defined as the largest diameter of the mediastinum/ thoracic diameter at the T5-T6 level, in standing position.16

aIn years.

bFive major nodal areas were defined as follows: the whole neck including the supraclavicular area (left and right); the axilla including the infraclavicular area (left and right); the whole mediastinum including the hilar nodes on both sides (one area) II23, stage II with two or three nodal areas involved II45, stage II with four or five nodal areas involved Erythrocyte sedimentation rate, in mm/first hour.

dBulky mediastinal involvement if M/R ratio a 0.35 where M/T ratio is defined as the largest diameter of the mediastinum/ thoracic diameter at the T5-T6 level, in standing position.16

45 years with lymphocyte count more than 0.75 X 109 /L or female with stage IIIB (59% of patients). The high-risk group comprised male patients with stage IV disease, aged more than 45 years, or with lymphocyte count less than 0.75 X 109 /L (26% of patients). All other patients were included in the intermediate prognostic group (15% of patients). The difference in survival probability was highly significant (P < 0.001).

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