Although puncture biopsy is important, it is also contraindicated. Generally, puncture should not be performed in the following five situations:

- Those with a tendency to bleed

-Patients who are being ventilated with ventilator-assisted ventilation

- Damage to adjacent organs

- Suffering from serious complications

- The patient cannot cooperate or maintain a fixed puncture position.

As an important step in the accurate diagnosis of cancer, puncture is now more and more used in diagnosis and treatment and inspection. For patients, they should accept the doctor's guidance, do not blindly contradict and refuse, so as to avoid misdiagnosis and delay in treatment.

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