Table 2.

PPs distribution.

Chest wall
Upper versus lower	45 (59.2%) versus 60 (78.9%)
Upper	11 (14.5%)
Lower	26 (34.2%)
Both	34 (44.73%)
Total	71 (93.4%)
Upper ventral versus upper dorsal	24/45 (53.3%) versus 18/45 (40%)
Both	3/45 (6.7%)
Lower ventral versus lower dorsal	16/60 (35.5%) versus 37/60 (61.7%)
Both	7/60 (2.8%)
Diaphragm
Right	15 (19.7%)
Left	7 (9.2%)
Both	21 (27.6%)
Total	43 (56.5%)
Mediastinum
Right	3 (3.9%)
Left	9 (11.8%)
Both	0%
Total	12 (15.7%)