Symptoms of cancer-related post-traumatic stress (PTS) are a lot like symptoms of other stress-related disorders. PTS has many of the same symptoms as depression, anxiety disorders, phobias, and panic disorder.Some of the symptoms that may be seen in post-traumatic stress and in other conditions include: 1  Feeling defensive, irritable, or fearful. 2  Being unable to think clearly.TS has many of the same symptoms as depression, anxiety disorders, phobias, and panic disorder. Some of the symptoms that may be seen in post-traumatic stress and in other conditions include: 1  Feeling defensive, irritable, or fearful. 2  Being unable to think clearly.