Total number of patients with malignant effusion (stage IV bronchogenic carcinoma) 74
Patients with centrally-located masses with lung atelectasis 17
Patients who received streptokinase to achieve lung expansion 9
Patients who received streptokinase and achieved lung expansion 6
Patients who died due to metastases or myocardial infarction 3
Total number of patients with full lung expansion:  Males/ females  Mean age 51 34/ 17 46 + 3.6 years
Patients who had pleurodesis and completed the follow up:  - Patients with bleomycin pleurodesis  - Patients with iodine pleurodesis 51 26 25
Table 1: Patient characteristics.