The phrase "at the upper border" is correct and usable in written English.
It can be used to describe a location or position that is situated at the top edge of an object or area.
Example: "The label should be placed at the upper border of the document for better visibility."
Alternatives: "at the top edge" or "along the upper margin".
Upper gastrointestinal imaging (UGI) confirmed complete esophageal obstruction at the upper border of the clavicle (Fig. 2).
Three months later, the UGI confirmed that the Gastrografin stopped the stricture at the upper border of the clavicle (b).
The procedure included an intertrochanteric osteotomy at the upper border of the lesser trochanter, removal of a lateral wedge, subsequent valgisation, lateral displacement of the distal fragment and internal fixation by a 120° double angle barrel plate (Fig. 1b, c).
Thus, the conversion rate of 20.3%% lies at the upper border of this interval.
Line 76-02 walsolso used for this purpose because it is only homozygous for two markers at the upper border of Mt-FTQTL6, namely NT6005 and NT6001.
For the functional CPMG sequence, five slices were taken at the upper border of the distal third of the thigh in both legs before and after exercise (with an interslice distance of 2 mm).
From tMTFs, we also determined the best VS as a measure of the maximal temporal precision of the phase locking at BMFt and the upper border of phase locking (highest locking, i.e., the highest modulation frequency at which the unit showed significant phase locking).
Surface stimulating electrodes will be placed over the spinal accessory motor nerve along the posterior border of the sternocleidomastoid muscle at the level of the upper border of the thyroid cartilage.
The radiation clinical target volume (CTV) for the first 45 Gy included the primary rectal cancer, perirectal and internal iliac nodes, mesorectum, pelvic side walls and presacral space, with the upper border at the sacral promontory.
Patients with histologically proven squamous cell carcinoma, adenocarcinoma, or undifferentiated carcinoma of the oesophagus with the upper border at least 3 cm below the upper oesophageal sphincter were included.
Both were combined with a two-field lymphadenectomy of mediastinal and abdominal lymph nodes, including the nodes at the celiac trunk and along the upper border of the pancreas.
