(A) A variety of lncRNA expression analyses. x, exonic overlap with reference on the opposite strand; u, unknown, intergenic transcript; o, generic exonic overlap with a reference transcript; j, potentially novel isoform (fragment); at least one splice junction is shared with a reference transcript; i, a transfrag located entirely within a reference intron. (B) The score statistic box plot of lncRNA CPC and CNCL in each sample. (C) Macroscopic statistics of the expression levels of lncRNAs in different chromosomes.