Missing bootcamp

My Windows 7 bootcamp was running out of space. So I went to my mac OS and shrinked the size, rebooted the com and find that the Windows 7 partition was missing.

$ diskutil list /dev/disk0

#: TYPE NAME SIZE IDENTIFIER

0: GUID_partition_scheme *121.3 GB disk0

1: EFI EFI 209.7 MB disk0s1

2: Apple_HFS Macintosh HD 49.7 GB disk0s2

3: Apple_Boot Recovery HD 650.0 MB disk0s3

4: Microsoft Basic Data 25.0 GB disk0s4

$ diskutil cs list

No CoreStorage logical volume groups found