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Response to chemoterapy according to clinical characteristics of patients and histological type of tumor
| Patient characteristics | Number of patients | CR+PR+SD | PD |
| Total Patients | 73 | 61(83.6%) | 12 (16.4%) |
| Sex | |||
| Male | 69 | 58 (84%) | 11 (16%) |
| Female | 4 | 3(75%) | 1 (25%) |
| Stage | |||
| Stage IIIB | 30 | 29(96.6%) | 1(3.4%) |
| Stage IV | 43 | 32 (74.4%) | 11 (25.6%) |
| Histopathology | |||
| Adenocarcinoma | 27 | 21(78%) | 6(22%) |
| Squamous cell (Epidermoid) | 34 | 31(91.2%) | 3 (8.8%) |
| Not otherwise specified (NOS) | 12 | 9 (75%) | 3 (25%) |
