Table 1 PL category: pleural invasion of lung cancer
PL category | |
|---|---|
PL0 | Tumor within the subpleural parenchyma, or, invading superficially into the pleural connective tissue below the elastic layer. |
PL1 | Tumor invades beyond the elastic layer. |
PL2 | Tumor invades to visceral pleural surface. |
PL3 | Tumor invades the parietal pleura. |