Table 6. Clinical data and cytological diagnosis of eight MPE specimens.

Case No.	age/sex	specimen source	diagnosis
1	59/M	pleural fluid	adenocarcinoma of lung with metastases to lymph nodes, bone and liver cT4N3M1b, stage IV
2	74/M	pleural fluid	adenocarcinoma of lung with metastases to brain and bone, cT4NxM1, stage IV
3	59/M	pleural fluid	adenocarcinoma of lung with metastases to lymph nodes and brain, cT4N3M1b, stage IV
4	88/M	pleural fluid	adenocarcinoma of lung, with lung to lung, lymph nodes, bone and suspected brain metastases, cT4N2M1b, stage IV
5	82/F	pleural fluid	adenocarcinoma of lung with left pleura metastasis, cT4NxM1a, stage IV
6	58/M	pleural fluid	Adenocarcinoma of lung, with lung to lung metastasis, cT4N0M0, stage IIIB
7	65/M	pleural fluid	adenocarcinoma of lung with lymph nodes and left pleura metastases, cT2N2M1b, stage IV
8	78/F	pleural fluid	adenocarcinoma of lung with right pleura metastasis, cT4NxM1a, stage IV